I-SIMCom SIM7672X Series Imiyalo ye-Hardware Design

Igama Lomkhiqizo: I-SIM7672X Series Hardware Design LTE Module
Umkhiqizi: I-SIMCom Wireless Solutions Limited
Inguqulo: V1.02
Usuku: 2023-07-27
Indlunkulu: Isakhiwo esingu-3, No. 289 Linhong Road, Changning District, Shanghai PR China

Ucingo Losekelo Lokusebenza: +86 21 31575100
I-imeyili: support@simcom.com
Webindawo: www.simcom.com

Imiyalo yokusetshenziswa komkhiqizo

Isahluko 1: Isingeniso

I-SIM7672X Series Hardware Design LTE Module yakhelwe izixazululo zokuxhumana okungenantambo.

Isahluko 2: Izici

Imojuli isekela umsebenzi wokuvuka wamaphinikhodi athile futhi ihlanganisa isixhumi esibonakalayo se-GPIO esihlala sivuliwe ukuze kusebenze okuthuthukisiwe.

Isahluko 3: Imodi Ezimele ye-GNSS

Imojuli ihlanganisa idizayini yereferensi yemodi ezimele ye-GNSS ebuyekeziwe yamakhono okuma athuthukisiwe.

Isahluko 4: Ulwazi lwebhendi

Ulwazi lwebhendi lubuyekeziwe ukuze kuqinisekiswe ukuhambisana namanethiwekhi ahlukahlukene.

Isahluko 5: Ukusetshenziswa kwamandla

Imininingwane yamanje yokusetshenziswa ibuyekeziwe ukuze kuphathwe kahle amandla. Imojuli futhi isekela Imodi Yokonga Amandla (PSM) ukuze isebenze kahle.

Isahluko 6: Iziqondiso ze-Antenna kanye Nemisebe

Qinisekisa ukuthi i-antenna ifakwe nebanga elincane elingu-20cm ukusuka emzimbeni ukuze ihambisane nemikhawulo yokuchayeka emisebeni ye-FCC. Umshini akufanele uhlanganiswe namanye ama-transmitter noma izinti.

Imibuzo Evame Ukubuzwa

Q: Yiziphi izici eziyinhloko ze-SIM7672X Series Hardware Design LTE Module?
- A: Imojula isekela umsebenzi wokuvuka kumaphinikhodi athile, ihlanganisa isixhumi esibonakalayo se-GPIO esihlala sivuliwe, imodi yokuzimela ye-GNSS ebuyekeziwe, imininingwane yokusetshenziswa kwamandla ethuthukisiwe, futhi ithobelana nemikhawulo yokuchayeka emisebeni ye-FCC.

Q: Ngingawabika kanjani amaphutha emibhalo noma ngifune usizo lobuchwepheshe?
- A: Ungabika amaphutha emibhalo noma ufune usizo lobuchwepheshe ngokuvakashela isikhulu webindawo ku www.simcom.com/ask noma ngokuthumela i-imeyili support@simcom.com.

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I-SIM7672X Series Hardware Design
Imojula ye-LTE
I-SIMCom Wireless Solutions Limited
Isakhiwo Sendlunkulu ye-SIMCom, Isakhiwo 3, No. 289 Linhong Road, Changning District, Shanghai PR China Ucingo: 86-21-31575100 support@simcom.com www.simcom.com

I-SIM7672X Series Hardware Design_V1.02

Isihloko Sombhalo: Inguqulo: Idethi: Isimo:

I-SIM7672X Series Hardware Design V1.02 2023-07-27 Ikhishiwe

AMAZWI AJWAYELEKILE
I-SIMCOM ITIKEZA LOLU LWAZI NJENGENKONZO KUMAKHASIMENDE AYO, UKUSEKELA ISICELO KANYE IMIZAMO YOBUNJINIYELA ESEBENZISA IMIKHIQIZO EDIYINWE I-SIMCOM. ULWAZI OLUNIKEZELWE LUSEKELWE EMFUNIENI EZINIKEZELWA KAKHULU KU-SIMCOM AMAKHASIMENDE. I-SIMCOM AYIZENZE USESHO OKUZIMELE LOKUTHOLA ULWAZI OLUFANELEKILE, KUHLANGANISA NANOMA YILUPHI ULWAZI OKUNGENZEKA KUBE ENDAPHO YEKHASIMENDE. NGAPHEZU kwalokho, UKUQINISEKISA KWESITIMU LOMKHIQIZO ODIYINWE YI-SIMCOM NGAPHAKATHI KOHLELO LWE-ELECTRONIC OMKHULU KUSUSELE YISIBOPHO SEKHASIMENDE NOMA ISIHLANGANISI SOMHLELO WEKHASIMENDE. YONKE IMINININGWANE ENIKHIWE LAPHA INGASE ISHINTSHE.

I-COPYRIGHT
LO MBHALO UQUKETHE ULWAZI LWEZOBUCHWEPHESHE OKUYIMPAHLA YE-SIMCOM WIRELESS SOLUTIONS OKUKOPISHA OKUKOPISHA KWABANYE, KWABANYE FUTHI EKUSEBENZISA LE DOKHUMENTI, KWENQATSHELWE NGAPHANDLE KWEGUNYA ELICASHILE NGE-SIMCOM. IZENJWA ZINESIKHATHI EKUKHOKHELWENI KWEZIMALI. WONKE AMALUNGELO AGCINWE I-SIMCOM OLWAZIWENI LWEZOBUCHWEPHESHE , KUHLANGANISA KODWA AKUPHELELE UKUBHALISA UKUNIKEZWA KWE-PATENTE , Imodeli YOKUSEBENZA NOMA IDIYINANI. YONKE IMINININGWANE ENIKHIWE LAPHA KUKHONA UKUSHINTSHA NGAPHANDLE KWESAZISO NOMA YILUPHI.

I-SIMCom Wireless Solutions Limited Isakhiwo Sendlunkulu ye-SIMCom, Isakhiwo 3, No. 289 Linhong Road, Changning District, Shanghai PR China Ucingo: +86 21 31575100 I-imeyili: simcom@simcom.com
Ukuze uthole ulwazi olwengeziwe, sicela uvakashele: https://www.simcom.com/download/list-863-en.html
Ngosekelo lobuchwepheshe, noma ukubika amaphutha emibhalo, sicela uvakashele: https://www.simcom.com/ask/noma uthumele i-imeyili ku: support@simcom.com
Copyright © 2023 SIMCom Wireless Solutions Limited Wonke Amalungelo Agodliwe.

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Umlando Wenguqulo

Usuku

Inguqulo

2023-02-28 1.00

2023-05-12 1.01

2023-07-27 1.02

Incazelo yoshintsho

Umbhali

I-Han.Gao

I-Jiahao.Chen

Okokuqala

Meihao.Li

I-Xiaomin.Luo

I-Tianbao.Yi

Buyekeza imininingwane yebhendi (Isahluko1.1, Isahluko4) Buyekeza ukusetshenziswa kwamanje (Isahluko5.4) Buyekeza Ukunikezwa Kwephinikhodi Kuphelileview (Isahluko2.1)

I-Boru.Zhou Xiaomin.Luo

Engeza ulwazi mayelana nama-PIN asekelwe

umsebenzi wokuvuka.(Isahluko 2.1, Isahluko 2.2)

Engeza ulwazi mayelana njalo ku-GPIO

interface.(Isahluko 2.1, Isahluko 2.2)

Boru.Zhou

Engeza ulwazi lwe-PSM. (Isahluko 5.3.4)

Buyekeza idizayini yesithenjwa yemodi ezimele ye-GNSS.

(Isahluko 3.10)

Isitatimende Sokuphazanyiswa Kwekhomishana Yezokuxhumana

Le divayisi ithobela Ingxenye 15 Yemithetho ye-FCC. Ukusebenza kungaphansi kwezimo ezimbili ezilandelayo: (1) Lolu cingo angeke lubangele ukuphazamiseka okuyingozi, futhi (2) lolu cingo kufanele lwamukele noma yikuphi ukuphazamiseka okutholiwe, okuhlanganisa ukuphazamiseka okungase kubangele ukusebenza okungafuneki.

Lesi sisetshenziswa sihloliwe futhi satholwa ukuthi sithobela imikhawulo yedivayisi yedijithali Yekilasi B, ngokuvumelana neNgxenye 15 yeMithetho ye-FCC. Le mikhawulo iklanyelwe ukuhlinzeka ngokuvikeleka okufanele ekuphazanyisweni okuyingozi ekufakweni kwendawo yokuhlala. Lesi sixhobo sikhiqiza, sisebenzise futhi singakhipha amandla efrikhwensi yomsakazo futhi, uma singafakiwe futhi sisetshenziswa ngokuhambisana nemiyalelo, singadala ukuphazamiseka okuyingozi ezokuxhumana ngomsakazo. Nokho, asikho isiqinisekiso sokuthi ukuphazamiseka ngeke kwenzeke ekufakweni okuthile. Uma lesi sisetshenziswa sidala ukuphazamiseka okuyingozi emsakazweni noma kumabonakude, okunganqunywa ngokucisha nokuvula okokusebenza, umsebenzisi uyakhuthazwa ukuthi azame ukulungisa ukuphazamiseka ngesinye salezi zinyathelo ezilandelayo:

Hlela kabusha noma hambisa uthi olwamukelayo. Khulisa ukuhlukana phakathi kwesisetshenziswa nomamukeli. Xhuma okokusebenza endaweni yokuphuma kuyisekethe ehlukile kuleyo lapho umamukeli axhumeke khona. Xhumana nomthengisi noma uchwepheshe werediyo/TV onesipiliyoni ukuze uthole usizo.

Isexwayiso se-FCC: Noma yiziphi izinguquko noma ukuguqulwa okungagunyazwanga ngokucacile yinhlangano enesibopho sokuthobela kungenziwa
kwenza igunya lomsebenzisi lisebenzise le mishini.

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umthumeli.

-itholakala noma isebenza ngokuhlanganyela nanoma yiluphi olunye uthi

Isitatimende Sokuchayeka Emisebeni: Lesi sixhobo sithobela imikhawulo yokuchayeka emisebeni ye-FCC ebekwe endaweni engalawuleki. Lo mshini kufanele ufakwe futhi usebenze ngebanga elincane elingama-20cm phakathi kwerediyetha nomzimba wakho.

Le divayisi ihloselwe kuphela izihlanganisi ze-OEM ngaphansi kwalezi zimo ezilandelayo: 1) Uthi kufanele lufakwe ngendlela yokuthi u-20 cm ugcinwe phakathi kothi nabasebenzisi, futhi inzuzo enkulu yothi evunyelwe ukusetshenziswa nale divayisi ingu-2.23 dBi. 2) Imojula yesidlulisi akumele ihlanganiswe nanoma yisiphi esinye isidluliseli noma uthi.

Inqobo nje uma izimo ezi-2 ezingenhla zihlangatshezwana nazo, ukuhlolwa okwengeziwe kokudlulisela ngeke kudingeke. Kodwa-ke, isihlanganisi se-OEM sisenomthwalo wemfanelo wokuhlola umkhiqizo wabo wokugcina nganoma yiziphi izimfuneko zokuthobela ezengeziwe ezidingekayo ngale mojula efakiwe.
ISAZISO ESIBALULEKILE: Esimeni lapho le mibandela ingahlangabezwana nayo (ngokwesiboneloampukulungiselelwa okuthile kwekhompuyutha ephathekayo noma indawo ehlangene nomunye umthumeli), khona-ke ukugunyazwa kwe-FCC akusabhekwa njengokuvumelekile futhi i-ID ye-FCC ngeke ikwazi ukusetshenziswa kumkhiqizo wokugcina. Kulezi zimo, isihlanganisi se-OEM sizoba nesibopho sokuhlola kabusha umkhiqizo wokugcina (okuhlanganisa nesidluliseli) kanye nokuthola ukugunyazwa kwe-FCC okuhlukile.
Qeda Ukulebula Komkhiqizo Le mojula yesidluliseli igunyazwe kuphela ukusetshenziswa kudivayisi lapho uthi lungafakwa khona ukuze kugcinwe u-20 cm phakathi kwe-antenna nabasebenzisi. Umkhiqizo wokugcina kufanele ulebulwe endaweni ebonakalayo ngalokhu okulandelayo: “Iqukethe i-FCC ID: 2AJYU-8XS0001”. I-ID ye-FCC yomnikezeli ingasetshenziswa kuphela uma zonke izimfuneko zokuthobela i-FCC zihlangatshezwana nazo.
Ulwazi Lwemanuwali Kumsebenzisi Wokugcina Umhlanganisi we-OEM kufanele aqaphele ukuthi anganikezi umsebenzisi wokugcina ulwazi mayelana nendlela yokufaka noma ukususa le mojula ye-RF encwadini yomsebenzisi yomkhiqizo wokugcina ehlanganisa le moduli. Imanuwali yomsebenzisi wokugcina izofaka yonke imininingwane edingekayo yokulawula/isexwayiso njengoba kubonisiwe kule manuwali.

I-SIM7672X Series Hardware Design_V1.02

Isingeniso

Lo mbhalo uchaza imininingwane ye-elekthronikhi, ukucaciswa kwe-RF, izindawo zokusebenzela, izici zemishini, kanye nemiphumela yokuhlolwa yemojuli ye-SIM7672X Series. Ngosizo lwalo mbhalo, amakhasimende angaqonda ngokushesha imojuli ye-SIM7672X Series.
Ihlanganiswe namanye amanothi ohlelo lwesofthiwe nemihlahlandlela yabasebenzisi, amakhasimende angasebenzisa i-SIM7672X Series ukuze adizayine futhi athuthukise izinhlelo zokusebenza kalula. I-SIMCom inikeza isethi yamabhodi okuhlola ukuze kube lula ukuhlolwa nokuthuthukiswa kwemojuli ye-SIM7672X. Amathuluzi ebhodi lokuhlola ahlanganisa ibhodi le-EVB, ikhebula le-USB, uthi, uthi lwe-GNSS olusebenzayo namanye ama-peripheral.

Amadokhumenti Aphelileview

Amadokhumenti asohlwini lweThebula 1 ikakhulukazi ahlanganisa ulwazi lobuchwepheshe lwemojuli. Ukuze uqonde kahle idivayisi kanye nokusebenza kwayo, kubalulekile ukufunda yonke imibhalo efanele.

Ithebula 1: I-SIM7672X Series Documents Overview

No. Idokhumenti

I-SIM7672X_Series_Hardware_Design_V1.02 1
(Lo mbhalo)

SIMCom_SIM767XX Series_Reference_Design_20230814

8XS000-SIM767XX-TE_V1.02_DL&PCB

I-SIMCOM_EVB_DL&PCB

MOD_SIM767XX_124

I-SIM7672X & SIM7652X _Series_ AT_Command

_Manuwali_V1.00

Umhlahlandlela Womsebenzisi Wenqubo Yesibili Ye-SMT_V1.01

I-SIM767XX_TE kit_User Guide_V1.00

Incazelo
Ikakhulukazi yethula imisebenzi yokusebenzelana, ukutusa isekethe, umhlahlandlela wesakhiwo se-PCB, ukupakisha nezinye izingxenye zezingxenyekazi zekhompuyutha, kanye nokusetshenziswa kwemiyalo ye-AT Izinhlelo zokusebenza zesekethe ye-SIM767XX TE SCH&PCB PDF Document SIMCOM_EVB SCH&PCB PDF Document Reference Package (Pads)
Kwi-Manual Command
Imihlahlandlela ye-SMT yesibili yemojuli Ukusetshenziswa kwebhodi le-TE, ukulanda ngempoqo, ukuqalisa, ukusetha kabusha, kanye nendawo yamanye amaphuzu wokulinganisa, kanye nendlela yokusebenzisa ngokuhlanganyela ne-EVB

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I-SIM767XX&SIM7652X_Series_CAT1_Module_Schematic&Lay SIM7672X peripheral circuit

out_Checklist_V1.00

i-schematic kanye nohlu lokuhlola lwe-PCB

QAPHELA
Lokhu kubuyekezwa kwamanje kungukukhishwa kwangaphambi kwesikhathi ukuze kusekelwe onjiniyela bomkhiqizo bokuqala. Okuqukethwe kungashintsha ngaphandle kwesaziso kusengaphambili.

Uhlaka Lomkhiqizo

Imojula isekela i-LTE-TDD ne-LTE-FDD. Amabhendi efrikhwensi yomsakazo asekelwayo achazwe kuleli thebula elilandelayo.

Ithebula 2: Amabhendi e-module frequency

Okujwayelekile
I-LTE-FDD LTE-TDD

Imvamisa
I-LTE-FDD B1 LTE-FDD B2 LTE-FDD B3 LTE-FDD B4 LTE-FDD B5 LTE-FDD B7 LTE-FDD B8 LTE-FDD B12 LTE-FDD B13 LTE-FDD B14 LTE-FDD B18 LTE-FDD B19 LTE- I-FDD B20 LTE-FDD B25 LTE-FDD B26 I-LTE-FDD B28 LTE-FDD B66 LTE-FDD B71 LTE TDD B34 LTE TDD B38 LTE TDD B39

I-SIM7672E

I-SIM7672NA

I-SIM7672S

I-SIM7672G

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Isigaba se-GNSS

I-LTE TDD B40 LTE TDD B41

I-CAT1 Inketho

Ngobukhulu obuncane bomzimba obungu-24*24*2.4mm, imojula ingahlangabezana cishe nanoma yisiphi isidingo sesikhala kuzicelo zamakhasimende, njengefoni ehlakaniphile, i-PDA, i-handhold handhold, umshini ukuya emshinini kanye nesicelo semoto, njll. Imojula inikeza 124 izikhonkwane, okuhlanganisa 80 LCC izikhonkwane eringini yangaphandle kanye 44 LGA pins eringini yangaphakathi. Lo mbhalo uzokwethula zonke izikhonkwane zokusebenza.

I-Hardware Interface Iphelileview
Ama-interface achazwe ngokuningiliziwe ezahlukweni ezilandelayo ezihlanganisa:
Isixhumi esibonakalayo sikagesi se-USB 2.0 Izixhumi ezibonakalayo ezintathu ze-UART, imbobo yesiriyeli esebenza ngokugcwele, imbobo yesiriyali eyodwa evamile kanye nembobo eyodwa yokususa iphutha Isixhumi esibonakalayo se-PCM Isixhumi esibonakalayo se-I2C Isixhumi esibonakalayo Okubili Okujwayelekile kwe-ADC Izixhumi ezibonakalayo ze-ADC Okujwayelekile okokufaka nokuphumayo (ama-GPIO) Izixhumi ezibonakalayo ezimbili zokulawula ishuna ye-ANT (GRFCs ) USB_BOOT isixhumi esibonakalayo semojula inkomba yesimo sokusebenzelana kwesikhombi Isimo senethiwekhi Isixhumi esibonakalayo senkomba yesimo senethiwekhi MAIN_UART_WAKEUP I-interface ye-GNSS Izixhumanisi ze-Antenna

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Isebenza Ngaphezuluview

Ithebula 3: Izici ezijwayelekile

Isici
Ukunikezwa kwamandla kagesi
Ukonga amandla
Amabhendi efrikhwensi yomsakazo Adlulisa amandla Ukudluliswa kwedatha Nge-Antenna I-SMS Isixhumi esibonakalayo se-USIM Ikhithi yamathuluzi yohlelo lokusebenza lwe-USIM Ukuphathwa kwefonibhuku Isici somsindo
UART interface
I-USB

Ukuqaliswa
I-VBAT: 3.4V~4.2V, I-VBAT Enconyiwe: 3.8V Imodi yokungenzi lutho Okujwayelekile: 4.13mA Okwamanje kumodi yokulala@DRX=0.32S ejwayelekile: 1.5mA (GNSS ivaliwe) Okwamanje kumodi yokulala@DRX=0.64S ejwayelekile: 729uA (GNSS) icishiwe) Okwamanje kumodi yokulala@DRX=1.28S okujwayelekile: 477uA (GNSS icishiwe) Okwamanje kwimodi ye-PSM: 10uA Sicela ubhekisele kuthebula 55 Sicela ubheke ithebula 2 LTE izinga lamandla: 3 (23dBm±2.7dB) TDD/FDD-LTE isigaba 1 : 10 Mbps (DL), 5 Mbps (UL) LTE isixhumi esibonakalayo se-antenna ye-GNSS isixhumi esibonakalayo se-antenna MT, MO, CB, Umbhalo, imodi ye-PDU Mfushane Idivayisi yokugcina Umlayezo (SMS): Ikhadi le-USIM, i-CB ayinalo
ukwesekwa okonga ku-SIM Card Ukusekela isizinda se-CS Ikhadi kamazisi Lokusekela: 1.8V/ 3V Ukusekela ikilasi 3 le-SAT, GSM 11.14 Khipha 98 Sekela i-USAT Izinhlobo zefonibhuku zokusekela: I-SM/FD/ON/AP/SDN Ukusekela isixhumi esibonakalayo se-PCM Umsebenzi ogcwele we-serial port Izinga le-Baud ukusekelwa kusuka ku-600bps kuya ku-921600bps umyalo we-AT kanye nedatha ingathunyelwa nge-serial port Ukusekela i-RTS/CTS isilawuli sokugeleza kwehadiwe Sekela umsebenzi wokuphindaphindeka kwembobo ye-serial ovumelana nephrothokholi ye-GSM 07.10 Imbobo yokulungisa iphutha yochungechunge Sekela umsebenzi wokususa iphutha AUX_UART port yomkhiqizo Sekela umsebenzi wokuxhumana we-GNSS Ihambisana nokucaciswa kwe-USB 2.0 futhi isekela imodi yesigqila kodwa hhayi imodi eyinhloko. Lesi sixhumanisi singasetshenziselwa ukuthumela umyalo we-AT, ukudluliswa kwedatha, ukuphuma kwe-GNSS NMEA, ukulungisa iphutha kwesoftware kanye

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I-Firmware ithuthukisa izici zomzimba
Ibanga lokushisa

I-SIM7672X Series Hardware Design_V1.02
ukuthuthukisa. Thuthukisa i-Firmware ngokusebenzisa isixhumi esibonakalayo se-USB noma isixhumi esibonakalayo se-MAIN_UART Usayizi: 24*24*2.4mm Isisindo: 2.83g (Okuvamile) Izinga lokushisa elivamile lokusebenza: -30°C kuya +75°C Izinga lokushisa elinwetshiwe lokusebenza: -40°C ukuya ku-+85°C* Ukushisa kwesitoreji: -45°C kuya ku-+90°C

QAPHELA
Uma imojula ingaphakathi kwebanga lokushisa elinwetshiwe lokusebenza, imojula iyakwazi ukusungula nokugcina ukudluliswa kwedatha, i-SMS, njll. Ukusebenza kungase kuphambuke kancane ekucacisweni kwe-3GPP, kodwa kuzohlangabezana nokucaciswa kwe-3GPP futhi lapho izinga lokushisa libuyela emazingeni okushisa okusebenza avamile. . Kunconywa kakhulu ukuthi amakhasimende athathe izinyathelo zokukhipha ukushisa ukuze aqinisekise ukuthi izinga lokushisa elivamile lokusebenza lemojula alikwazi ukudlula.

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Ulwazi Lwephakheji

Phina Isabelo Phezuview
Umfanekiso olandelayo ungaphezulu view wokunikezwa kwephinikhodi yemojuli ye-SIM7672X.
I-SIM7672X PIN MAP
(PHEZULU VIEW)

100 1PPS 99 NC 98 GNSS_PWRCTL 68 GPIO12 67 GPIO11
66 ISIMO *
65 GND 64 GND 63 GND 62 GND 61 GND 60 RF_ANT 59 GND 58 GND 57 VBAT 56 VBAT 55 VBAT 54 GND 53 GPIO10
52 NETLIGHT *
97 GNSS_VDD 96 GNSS_RXD 95 GNSS_TXD

I-PWRKEY 1 GND 2
* MAIN_UART_DT 3 * MAIN_UART_RI 4
MAIN_UART_DCD 5 USB_BOOT 6
MAIN_UART_CTS 7 MAIN_UART_RTS 8 MAIN_UART_TXD 9 MAIN_UART_RXD 10
I-PCM_CLK 11 PCM_SYNC 12
I-PCM_DIN 13 PCM_DOUT 14
VDD_EXT 15 SETHA KABUSHA 16 GND 17

124 NC 123 NC 122 NC 121 NC 120 NC 119 NC

I-NC 101 NC 102 NC 103 NC 104 NC 105 NC 106

118 NC 117 NC 116 GNSS_VBKP 115 GNSS_DEBUG_TX 114 GNSS_RST_N 113 NC
69-88 GND

51 ADC2 50 AUX_UART_TXD 49 AUX_UART_RXD 48 GPIO9 47 GPIO8 46 GND 45 GND 44 GPIO7 43 ANT_CTRL2 42 ANT_CTRL1 41 MAIN_UART_WAKESS_40 I-GNDS_39 GNDS_38 2 I37C_SDA 2 GPIO36 6 GPIO35

I-NC 107 NC 108 NC 109 NC 110 GNSS_DEBUG_RX 111 NC 112

GND 89 GNSS_ANT 90
GND 91 GND 18 GPIO1 19
* GPIO2 20 GPIO3 21 DEBUG_UART_RX 22 DEBUG_UART_TX 23
VBUS 24 ADC1 25 GPIO4 26 USB_DP 27 USB_DN 28 GND 29 SIM_VDD 30 SIM_DATA 31 SIM_CLK 32 SIM_RST 33 SIM_DET 34 GND 92
NC 93 GND 94

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Ikhadi le-SIM GND

Amandla we-GPIO

UART GNSS

I-PCM

Ama-PIN nge

ayikwazi ukudonswa

phansi ngaphambi kokuthi imojuli inikwe amandla.

Ama-PIN nge

sekela ukuvuka

I-USB

umsebenzi.

Ama-PIN ane-* ngeke abe namandla

phansi ngemva kokufaka imodi yokulala.

Umfanekiso 1: Phina umsebenzi usuphelileview nge-SIM7672X

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Ithebula 4: Incazelo Yephini

I-PIN NO
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 59 61 63 65 67 69 71 73

I-PIN IGAMA
PWRKEY MAIN_UART_DTR * MAIN_UART_DCD MAIN_UART_CTS MAIN_UART_TXD PCM_CLK PCM_DIN VDD _EXT GND GPIO1 GPIO3 DEBUG_UART_TX ADC1 USB_DP GND SIM_DATA SIM_RST GPUNCArt_SDA5 GANDWAKE INDWUP INDWUP INDWAKE GPIO2 AUX_UART_RXD ADC8 GPIO2 VBAT VBAT GND GND GND GND GPIO10 GND GND GND

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I-SIM7672X Series Hardware Design_V1.02

I-PIN NO
2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74

I-PIN IGAMA
GND MAIN_UART_RI * USB_BOOT MAIN_UART_RTS RXD PCM_SYNC PCM_DOUT SETHA KABUSHA GND GPIO2 * DEBUG_UART_RX VBUS GPIO4 USB_DN SIM_VDD SIM_CLK SIM_DET GPIO6 I2C_SCL GNSS_VDDIO_EN AUX_UART_TXD NETLIGHT * GND VBAT GND RF_ANT GND GND STATUS * GPIO7 GND GND GND

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GND

GNSS_TXD

GNSS_VDD

101

103

105

107

109

111

GNSS_DEBUG_RX

113

115

GNSS_DEBUG_TX

117

119

121

123

I-SIM7672X Series Hardware Design_V1.02

GND

GNSS_ANT

GND

GNSS_RXD

GNSS_PWRCTL

100

1PPS

102

104

106

108

110

112

114

GNSS_RST_N

116

GNSS_VBKP

118

120

122

124

QAPHELA
” ikhombisa ukuthi iphinikhodi ayikwazi ukudonselwa phansi ngaphambi kokuthi imojuli inikwe amandla, ngaphandle kwalokho izothinta ukuqala okuvamile kwemojuli. ” kubonisa ukuthi izikhonkwane zisekela umsebenzi wokuvuka. ' * ' ikhombisa ukuthi lezi zindawo zihlala ziku-GPIO, zingahlala ziyisimo sangaphambilini uma imojuli ingena kumodi yokulala. I-GNSS_VDD_EN (PIN 40) ingasetshenziswa kuphela kumodi ezimele!!! NC: UNGAXHUMANI. Ungawaxhumi ku-GND.

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Phina Incazelo

I-SIM7672X Series Hardware Design_V1.02

Ithebula 5: Phina isifinyezo sepharamitha

Uhlobo lwephini
PI PO AI AIO I/O DI DOH DOL PU PD OD

Incazelo
Okokufaka kwamandla okukhipha amandla okokufaka kwe-analogi okokufaka/okuphumayo kwe-analog/okuphumayo kwe-Bidirectional Okokufaka kwedijithali Okukhiphayo kwedijithali Okukhiphayo kwedijithali ngezinga eliphezulu Okukhiphayo kwedijithali ngezinga eliphansi Donsela phezulu Donsela phansi Vula Ukudonsa

Ithebula 6: 1.8V Incazelo yamapharamitha we-IO

Isizinda Samandla
1.8V

Ipharamitha
VIH VIL Rpu Rpd IIL VOH VOL
IOL
I-IOH

Incazelo

Okuncane

Okokufaka kwezinga eliphezulu Izinga eliphezulu okokufaka kweleveli ephansi Donsela isimelana siye phezulu Donsela phansi isimelasi Okokufaka ukuvuza kwamanje Izinga lokukhipha Uhlu lokukhiphayo Uhla lokukhipha Uhla oluphansi Ubukhulu bomthamo wokushayela wamanje ezingeni eliphansi okukhiphayo Umthamo omkhulu wamanje wokushayela ezingeni eliphezulu okukhiphayo Vpad=VCC-0.2V

I-VCC * 0.7 –
117K 91 K -10uA VCC *0.8
-
-
-

Thayipha.
I-1.8V 0V
-
-
-

Ubukhulu
VCC *0.2 331 K 291 K
10uA -
VCC*0.15
-
-

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I-SIM7672X Series Hardware Design_V1.02

Ithebula 7: Incazelo yokuphina

Phina igama Ukunikezwa kwamandla
I-VBAT VDD_EXT
GND
Ukulawulwa Kwesistimu
UKUSETHA KABUSHA kwe-PWRKEY
Isixhumi esibonakalayo se-USIM
SIM_DATA SIM_RST

Iphini No.

Phina ipharamitha

Isizinda samandla

Uhlobo

Incazelo

55,56, -
57

2,17,18,

29,39,

45,46,

54,58,

59,61,

62,63,

64,65,

69,70,

71,72,

73,74,

75,76,

77,78,

79,80,

81,82,

83,84,

85,86,

87,88,

89,91,

92,94

Okokufaka kwemojuli voltage isukela ku-3.4V ukuya ku-PI 4.2V, amanani ajwayelekile ngu-3.8V. Okukhipha amandla angu-1.8V, okukhiphayo kwe-PO okwamanje kufika ku-50 mA.
– Ground

Khipha/vala okokufaka kwamandla,

DI,PU

okusebenzayo okuphansi.

Ukulawula ukusetha kabusha isistimu

DI,PU

okokufaka, okusebenzayo kuphansi.

1.8/3.0VI/O, isignali yedatha ye-PU SIM.

1.8/3.0VI/O, PU SIM RST ukusetha kabusha isignali

Qaphela
Okuzenzakalelayo kuvuliwe. Ingahlinzeka ngogesi we-1V8 we-GNSS. Uma ingasetshenziswanga, yigcine ivuliwe.
Le phinikhodi idonswe phezulu nge-4.7K resistor ku-SIM_VDD ngaphakathi.

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I-SIM7672X Series Hardware Design_V1.02

SIM_CLK SIM_VDD

1.8/3.0V

SIM_DET

1.8V

Isixhumi esibonakalayo se-USB

I-VBUS

I-USB_DN

USB_DP

Umsebenzi ogcwele we-UART interface

MAIN_UART_RTS

1.8V

MAIN_UART_CTS

1.8V

MAIN_UART_RXD

1.8V

MAIN_UART_TXD

1.8V

MAIN_UART_RI *

1.8V

MAIN_UART_DCD

1.8V

MAIN_UART_DTR

1.8V

Susa iphutha_UART

DEBUG_UART_TX 23

1.8V

DEBUG_UART_RX 22

1.8V

AUX_UART

AUX_UART_TXD

AUX_UART_RXD 49

I-interface ye-I2C

I2C_SCL

I-1.8V 1.8V
1.8V

I/O,PU

okukhiphayo. Okukhipha iwashi lesignali ye-SIM CLK.

I-SIM card power supply PO
okukhiphayo.

I/O, i-PU SIM khadi yokubona.

Isekela ukuphuma kwe-1.8V/3.0V ngokohlobo lwekhadi, okukhiphayo okwamanje kufika ku-30mA. Ingasethwa ibe phezulu/ephansi isebenze ngomyalo we-AT, bheka ku-Document [25]

Okokufaka kokutholwa kwe-USB okuvumelekile. Ukuphakama okusebenzayo, i-PI Vmin=3.6V, Vmax=5.2V, Vnorm=5V I-electrode engalungile ye-AIO umehluko, isignali ye-USB eqondiswa kabili. I-electrode eqondile yokuhluka kwe-AIO, isignali ye-USB eqondiswa kabili.

Okokufaka kwe-DI RTS YENZA okukhiphayo kwe-CTS DI Okokufaka kwedatha YENZA Okukhipha idatha YENZA inkomba yokukhala DO Ukutholwa kwesithwali
I-DI DTE Ready

Uma ingasetshenziswanga, yigcine ivuliwe.

DOH DI

I-UART yokulungisa iphutha, ilogi yokuqalisa izokhishwa ngesikhathi sokuqalisa.

Okuzenzakalelayo kusetshenziswa njengembobo yokususa iphutha.

YENZA Okukhiphayo kwedatha DI Okokufaka kwedatha

Imbobo ye-serial enezintambo ezimbili

Okukhiphayo kwewashi le-OD I2C

Uma ingasetshenziswanga, yigcine

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20/84

I2C_SDA

PCM interface

PCM_CLK

PCM_SYNC

PCM_DIN

I-PCM_DOUT

I-GPIO

I-GPIO1

GPIO2 *

I-GPIO3

I-GPIO4

I-GPIO5

I-GPIO6

I-GPIO7

I-GPIO8

I-GPIO9

I-GPIO10

I-GPIO11

I-GPIO12

I-interface ye-GNSS

GNSS_PWRCTL

GNSS_VDD_EN

GNSS_VDD

GNSS_VBKP

116

www.simcom.com

I-SIM7672X Series Hardware Design_V1.02

1.8V

Idatha ye-OD I2C I/O

vula. Udinga ukudonsa kuze kufike ku-VDD_1V8 ngaphandle.

1.8V 1.8V 1.8V 1.8V

I/O,PD I/O,PD DI,PD DO,PD

Iwashi le-PCM Ukuvumelanisa kozimele kwe-PCM okokufaka kwedatha ye-PCM
Idatha ye-PCM

Uma ingasetshenziswanga, yigcine ivuliwe.

1.8V 1.8V 1.8V 1.8V 1.8V 1.8V 1.8V 1.8V 1.8V 1.8V 1.8V 1.8V

IO,PU Injongo evamile I/O IO,PD Injongo evamile I/O IO,PU Injongo evamile I/O IO,PD Injongo evamile I/O IO,PU Injongo evamile I/O IO,PU Injongo evamile I/O IO, I-PU Injongo evamile I/O IO,PU Injongo evamile I/O IO,PD Injongo evamile I/O IO,PU Injongo evamile I/O IO,PU Injongo evamile I/O IO,PU Injongo evamile I/O

Uma ingasetshenziswanga, yigcine ivuliwe. Uma ingasetshenziswanga, yigcine ivuliwe. Uma ingasetshenziswanga, yigcine ivuliwe. Uma ingasetshenziswanga, yigcine ivuliwe. Uma ingasetshenziswanga, yigcine ivuliwe. Uma ingasetshenziswanga, yigcine ivuliwe. Uma ingasetshenziswanga, yigcine ivuliwe. Uma ingasetshenziswanga, yigcine ivuliwe. Uma ingasetshenziswanga, yigcine ivuliwe. Uma ingasetshenziswanga, yigcine ivuliwe. Uma ingasetshenziswanga, yigcine ivuliwe. Uma ingasetshenziswanga, yigcine ivuliwe.

I-1.8V 1.8V
-

Nika amandla iphinikhodi yokulawula

I-DI yamandla e-GNSS Vcore Isebenza phezulu.

hlinzeka.

Nika amandla i-PIN yokulawula Ingasetshenziswa kuphela kokuthi
I-DI yesistimu ye-GNSS yemodi ezimele yamandla.
hlinzeka.

Okokufaka kwamandla kwe-PI
I-GNSS.

Imojula engu-VDD_EXT (PIN 15) ingasetshenziselwa lokhu kunikezwa kwamandla

I-GNSS VRTC amandla PI
okokufaka, okokufaka voltage

Uma ingasetshenziswanga, yigcine ivuliwe.

21/84

1PPS

100

GNSS_RXD

GNSS_TXD

GNSS_RST_N

114

GNSS_DEBUG_TX 115

GNSS_DEBUG_RX 111

Isixhumi esibonakalayo se-ANT

RF_ANT

GNSS_ANT

Amanye amaphini

I-ADC1

I-ADC2

I-NETLIGHT *

ISIMO *

I-USB_BOOT

ANT_CTRL1

ANT_CTRL2

MAIN_UART_WAK

EUP

I-SIM7672X Series Hardware Design_V1.02

1.8V
1.8V
1.8V -
I-1.8V 1.8V

2.0V~3.6V, ncoma

I-2.8V amandla kagesi.

DO 1PPS okukhipha isignali

Uma ingasetshenziswanga, yigcine ivuliwe.

Xhuma ku-MCU UART_TXD;

I-DI GNSS UART RX

Noma sebenzisa i-resistor engu-1K ochungechungeni kumojuli

AUX_UART_TXD (PIN 50).

Xhuma ku-MCU

UART_RXD;

YENZA i-GNSS UART TX

Noma sebenzisa i-resistor engu-1K ochungechungeni kumojuli

AUX_UART_RXD (PIN 49).

I-AI GNSS RST interface

YENZA okukhiphayo kokususa iphutha kwe-GNSS

Okokufaka kokususa iphutha kwe-DI GNSS

I-antenna enkulu ye-AIO

I-antenna ye-AIO GNSS

1.8V 1.8V 1.8V
1.8V

Uma ingasetshenziswa, yigcine Inhloso Ejwayelekile ADC1

vula.

Uma ingasetshenziswa, yigcine i-AI General Purpose ADC2
vula.

YENZA Inkomba yesimo sokubhaliswa kwenethiwekhi (LED).

Inkomba yesimo semojuli YENZA
(I-LED).

Ukulanda i-Firmware

okokufaka kokulawula komhlahlandlela.

Sicela ubeke ukuhlolwa oku-2

Lapho ukudonsela phansi ku

amaphuzu wokulungisa iphutha.

DI GND bese ucindezela

Ungadonseli phansi

PWRKEY, imojuli izoba USB_BOOT ngesikhathi

finyelela ku-USB

amandla ajwayelekile avuliwe!

ukulanda imodi.

YENZA i-FEMIO ngokushintsha kweshuna

Iphinikhodi yokuvuka engu-MAIN_UART_RXD.

Ixhume ku-MAIN_UART_RXD ngaphandle uma usebenzisa lo msebenzi.

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I-SIM7672X Series Hardware Design_V1.02
QAPHELA
Sicela ubeke amaphuzu okuhlola e-USB_BOOT, GND, DEBUG_UART_TX, GNSS_DEBUG_TX, GNSS_DEBUG_RX, GNSS_TXD kanye ne-GNSS_RXD. Uma singekho isixhumi se-USB, sicela uphinde ubeke amaphuzu okuhlola e-VBUS, USB_DP, kanye ne-USB_DN ukuze kuthuthukiswe i-firmware. ” Ibonisa ukuthi iphinikhodi ayikwazi ukudonselwa phansi ngaphambi kokuthi imojuli inikwe amandla, ngaphandle kwalokho izophazamisa ukuqaliswa okujwayelekile kwemojuli. ” Ibonisa ukuthi iphinikhodi isekela umsebenzi wokuvuka. ' * ' ikhombisa ukuthi lezi zindawo zihlala ziku-GPIO, zingahlala ziyisimo sangaphambilini uma imojuli ingena kumodi yokulala.

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I-SIM7672X Series Hardware Design_V1.02
Ulwazi Lwemishini
Umfanekiso olandelayo ukhombisa umdwebo wephakeji wohlaka lwe-SIM7672X.

Umfanekiso 2: Ubukhulu (Iyunithi: mm)
QAPHELA
Ubude obuseceleni bungu-24.00±0.15mm ngaphandle kwendawo ye-burr.

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I-SIM7672X Series Hardware Design_V1.02
I-PCB Footprint enconyiwe

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Umfanekiso 3: Isincomo sezinyawo (Iyunithi: mm)

25/84

Ncoma usayizi weStencil
Ncoma ukujiya kwe-stencil 0.15mm.

I-SIM7672X Series Hardware Design_V1.02

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Umfanekiso 4: Ncoma ubukhulu be-stencil (Iyunithi: mm)

26/84

I-SIM7672X Series Hardware Design_V1.02

Uhlelo lokusebenza lwe-interface

Ukunikezwa kwamandla kagesi

Imojula inikezela ngezikhonkwane zokunikezela amandla ezi-3 (55, 56, 57) njengephinikhodi yokufaka amandla e-VBAT. I-SIM7672X isebenzisa lezi zikhonkwane ezintathu ihlinzeka ngesekhethi ye-RF yangaphakathi ne-baseband.
Ithebula 8: Incazelo yezikhonkwane zesixhumi esibonakalayo samandla

Phina igama
I-VBAT GND

Iphini No.

I/O Incazelo

Qaphela

55,56,57

Okokufaka kwemojuli voltage isukela ku-3.4V ukuya ku-4.2V, amanani ajwayelekile ngu-3.8V.

2,17,18,29,39,45,46,54,58,59,61,62,63,64,65,69,70,71,72,73,74,75,76,77,78,79,80,81,82,

83,84,85,86,87,88,89,91,92,94

Ithebula 9: I-VBAT iphinifa isici sikagesi

Ipharamitha
I-VBAT IVBAT (isiqongo) IVBAT (isilinganiso)
I-IVBAT (lala)
I-IVBAT(PSM) IVBAT (ukucisha amandla)

Incazelo
Ukunikezwa kwemojula voltage Imojuli yokusetshenziswa okuphezulu kwamanje Imojuli emaphakathi ukusetshenziswa kwamanje (imodi yokungenzi lutho) Okwamanje kumodi yokulala@DRX=0.32S (GNSS ivaliwe) Okwamanje kumodi yokulala@DRX=0.64S (GNSS ivaliwe) Okwamanje kumodi yokulala@DRX=1.28S (GNSS icishiwe) Okwamanje kumodi ye-PSM Imojuli isilinganiso sokusetshenziswa kwamanje (kuvaliwe ukuvuza kwamanje)

Okuncane.
3.4 -
-

Thayipha.
3.8 -
4.13 1.5 729 477 10
8

Ubukhulu.
4.2 746
-
-

Iyunithi
V mA mA mA uA uA
uA

QAPHELA
Isimo sokuhlola: Ukunikezwa kwamandla kwe-VBAT 3.8V, imojula ihlolwa ebhodini le-EVB, futhi okokufaka kwamandla kune-100uF tantalum capacitor.

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I-SIM7672X Series Hardware Design_V1.02
3.1.1. Power Supply Design Guide
Ekwakhiweni kwekhasimende, ukunakwa okukhethekile kufanele kukhokhwe ekwakhiweni kokunikezwa kwamandla. Uma i-voltagI-e yehla ngaphansi kwe-3.4V, ukusebenza kwe-RF kwemodyuli kuzothinteka, imodyuli izovala uma ivolumutage iphansi kakhulu. Kunconywa ukukhetha i-chip ye-LDO noma ye-DC-DC enephinikhodi, futhi iphinikhodi yokunika amandla ilawulwa yi-MCU.
QAPHELA
Lapho ukunikezwa kwamandla kunganikeza amandla amanje aphezulu, umthamo ophelele wokunikezwa kwamandla wangaphandle unconywa ukuthi ungabi ngaphansi kuka-100uF.

Kunconywa ukubeka ama-ceramic capacitor amane angu-10pF/33pF/0.1uF/1uF eduze ne-VBAT ukuze kuthuthukiswe ukusebenza kwe-RF nokuzinza kwesistimu. Ngesikhathi esifanayo, kunconywa ukuthi ububanzi bomzila wesakhiwo se-VBAT ukusuka kumandla kagesi ku-PCB ukuya kumojula okungenani bube ngu-2mm. Umklamo onconywayo wereferensi umi kanje:

Imojuli

I-VB AT
I-VB AT VB AT GND

Ce Cd

10pF 33pF 0.1uF

1uF 100uF

I-VB AT TVS

Umfanekiso 5: Isekhethi yesicelo sokuphakelwa kwamandla
Uma okokufaka kwe-VBAT kuqukethe ukuphazamiseka kwefrikhwensi ephezulu, kuyanconywa ukuthi wengeze ubuhlalu obukazibuthe ukuze buhlungwe. Izinhlobo ezinconyiwe zobuhlalu kazibuthe yi-BLM21PG300SN1D ne-MPZ2012S221A.
Ngaphezu kwalokho, ukuze kuvinjelwe ukulimala kwe-SIM7672X okubangelwa ukuhlinzwa nokugcwala ngokweqiletage, kunconywa ukuthi kuhambisane ne-TVS eyodwa kuphinikhodi ye-VBAT yemojuli.
Ithebula 10: I-TVS yohlu lwenombolo yengxenye ye-VBAT

Umkhiqizi
NGEKE WAYON WAYON

Inombolo Yengxenye
ESD56301D05-2/TR ESD56301D04-2/TR
I-WS2057KP WS4.5DPHXM

I-VRWM
I-5V 4.85V
I-5V 4.85V

VCmax
9.5V 11V 12V 11V

www.simcom.com

I-PPPmax
1500W 2000W 2040W 2255W

CJmax
700pF 480pF 700pF 700pF

Iphakheji
DFN1610-2L DFN1610-2L DFN1610-2L DFN1610-2L

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I-SIM7672X Series Hardware Design_V1.02
QAPHELA
Lapho ukhetha i-TVS ngekhasimende, kubalulekile ukunaka i-clampngi voltage esimweni sokuvikelwa kokuhlinzwa. I-clampngi voltage akufanele ibe ngaphezu kuka-6V lapho kufakwa ukuhlinzwa okungu-100V.

3.1.2. Isekethe Yokuhlinzeka Ngamandla Enconyiwe
Ukuze ugweme ukulimaza imojuli, sicela ungakunqamuli ukunikezwa kwamandla lapho imojuli isebenza ngokujwayelekile. Kuphela ngemva kokuba imojuli ivalwe ngu-PWRKEY noma umyalo we-AT, ukunikezwa kwamandla kunganqanyulwa. Kuphakanyiswa ukuthi idizayini yekhasimende kufanele ibe nekhono lokunqamula ukunikezwa kwamandla kwemojuli esimweni esingavamile, bese ivula amandla ukuze iqalise kabusha imojuli. Isignali ye-PWR_CTRL ibonisa ukuthi imojuli ixhunywe kumsingathi futhi ingalawulwa. Uma amandla okokufaka emakhulu kuno-9V, i-chip ye-DCDC iyanconywa. Uma okokufaka kungaphansi kuka-9V, kuyanconywa ukuthi usebenzise ukunikezwa kwamandla kwe-LDO. Isibalo esilandelayo sibonisa isekethe yesilawuli se-DC-DC:

Okokufaka kwe-DC FUSE

C10 5

U101

0.1uF6

3 Vin BST LX 2

+ C101 C102
100uF 1uF

I-FR9206S9

/SHDN

PWR_CTRL

I-GND 220pF C103
C104 C105

R103 0R
L10 1
4.7uH R10 1 120K

FB101 VBAT 270 ohm@100Mhz
22uF 22uF

R102 30K

Umfanekiso 6: Isekhethi yereferensi yokunikezwa kwamandla
Lapho amandla e-VBAT evaliwe, i-voltage kufanele yehle ngokushesha. Ukuze ugweme voltage okudidayo, lapho i-VBAT ingaphansi kwenani eliphansi, kufanele idonswe ngaphansi kuka-100mV okungenani isekhondi elingu-1 ngaphambi kokuthi isistimu inikwe amandla futhi.

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I-VBAT

I-SIM7672X Series Hardware Design_V1.02
Ngaphansi kuka-100mV 1s

Imbobo ye-UART ichaza

chaza

Umfanekiso 7: Ukucisha nokuvula kabusha ukulandelana kokuqalisa kabusha
3.1.3. Umqtage Ukuqapha
Emyalweni othi `AT+CBC' ungasetshenziswa ukuqapha i-VBAT voltage. Emyalweni othi `AT+CVALARM' ungasetshenziswa ukusetha ivolumu ephezulu/ephansitage alamu, lapho vol langempelatagi-e idlula ububanzi obusethiwe, umlayezo oyisixwayiso uzobikwa ngembobo ye-AT. Ngomyalo othi `AT+CPMVT' ungasetshenziswa ukusetha ivolumu ephezulu/ephansitage vala amandla, lapho ivolumu yangempelatagi-e idlula ububanzi obusethiwe, imojuli izocisha ngokuzenzakalelayo.
QAPHELA
I-Overvoltagi-alamu kanye ne-overvoltagUkuvala shaqa kwe-e kuvaliwe ngokuzenzakalelayo. Ukuze uthole imininingwane yemiyalo ye-AT, sicela ubheke kudokhumenti [1].

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Vula/ Vala bese usetha kabusha

I-SIM7672X Series Hardware Design_V1.02

3.2.1. Amandla akhanyisiwe

Ithebula 11: Incazelo yephinikhodi ye-PWRKEY

Iphinikhodi ye-Pin No.
I-PWRKEY 1

I/O
DI,PU

Incazelo
Okokufaka kokuvula/ukuvala amandla, okusebenzayo kuphansi.

Qaphela

Ikhasimende lingavula imojuli ngokudonsa phansi iphinikhodi ye-PWRKEY. Kunconywa ukuthi wengeze i-TVS diode eduze kwephinikhodi yemojuli yokusebenza kwe-ESD. Isekhethi enconyiwe imi kanje:

Okuzenzakalelayo kwe-PWRKEY kuphezulu

MODULE

I-PWRKEY pulse 4.7K 47K

I-PWRKEY

Umfanekiso 8: Amandla ereferensi avuliwe/avaliwe isekethe
QAPHELA
1. Akuvunyelwe ukudonsa phansi kokubili ukhiye we-RESET kanye ne-PWRKEY ukuze unike amandla imojula ngesikhathi esisodwa. 2. Uma kunevolumu engaphezu kuka-1.3V eseletage ngaphambi kokuthi imojuli ye-VBAT ivulwe, imojuli iqala ngokuzenzakalelayo lapho ivuliwe.

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I-SIM7672X Series Hardware Design_V1.02

I-VBAT PWRKEY
(okufakiwe) S(ToAutTpUuSt)
UART
I-USB

Ithani
Ithoni(isimo) Ithoni(uart) Engachazwanga
I-Ton(usb) Ayichazwanga

Iyasebenza

Umfanekiso 9: Amandla ngokulandelana Ithebula 12: Amandla ngesikhathi kanye nesici se-elekthronikhi

Uphawu
Ithani
Ithani(isimo) Ithani(uart) Ithani(usb) VIH VIH

Ipharamitha

Okuncane.

Isikhathi somfutho wezinga eliphansi elisebenzayo lephinikhodi ye-PWRKEY -
ukuze uvule imojuli

Isikhathi kusukela ekukhishweni kwamandla kuye kokuphumayo kwephinikhodi ye-STATUS -
izinga eliphezulu (ekhombisa amandla aphezulu alungile)

Isikhathi esisuka ekukhishweni kwamandla siye embobeni ye-UART sesilungile

Isikhathi esisuka ekuvuleni amandla siye embobeni ye-USB silungile

Faka ivolumu yezinga eliphezulutage kuphinikhodi ye-PWRKEY

Okokufaka kwezinga eliphansi voltage kuphinikhodi ye-PWRKEY

Thayipha.
50
320 55 470 2.1 0

Ubukhulu.
-
0.4

Iyunithi
ms
ms ms ms VV

3.2.2. Cisha amandla

Izindlela ezilandelayo zingasetshenziswa ukucisha imojuli. Vala iphinikhodi ye-PWRKEY phansi iye ezingeni eliphansi lama-2.5s. Cisha Imojuli ngomyalo we-AT `AT+CPOF'. Over-voltage noma ngaphansi kwevolumutagi-automatic power off, i-voltage range ingasethwa ngokuthi `AT+CPMVT'. Amandla okushisa angaphezulu noma angaphansi kwezinga lokushisa avaliwe.
Kunconywa kakhulu ukuthi ikhasimende lisebenzise i-PWRKEY noma `AT+CPOF' ukuze livale, bese livala i-VBAT (ikakhulukazi lapho imojuli ingadingi ukusebenza). Ngaphezu kwalokho, ikhasimende alikwazi ukuvala i-VBAT ngokuyinqamula, okungase kubangele umonakalo ekukhanyeni.

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I-SIM7672X Series Hardware Design_V1.02

QAPHELA
1. Uma izinga lokushisa lidlula ibanga - 30 ~ + 75 , i-SIM7672X izobika ulwazi oluyisixwayiso ngembobo ye-AT. Lapho izinga lokushisa lidlula ibanga - 40 ~ + 85 , i-SIM7672X izovalwa ngokuzenzakalelayo. Ukuze uthole incazelo enemininingwane yokuthi `AT+ CPOF' kanye ``AT+ CPMVT', sicela ubheke idokhumenti [1]. 2. I-VBAT voltagi-e kufanele iwele ngaphansi kuka-1.3V ngaphambi kokuvula amandla. Uma kungenjalo, imojuli izoqala kabusha ngokuzenzakalelayo.
I-PWRKEY ingasetshenziselwa ukucisha imojuli. Ukuze ucime ukulandelana kokucisha amandla, sicela ubone lesi sithombe esilandelayo:

I-PWRKEY
(okufakiwe)
STATUS (okukhiphayo)
UART
I-USB

Ukuvula

I-Toff

Ithani

I-Toff(isimo)
I-Toff(uart) Iyasebenza
I-Toff(usb) Iyasebenza

Undifined Undifined

Umfanekiso 10: Cisha ukulandelana kwesikhathi Ithebula 13: Cisha amapharamitha wokulandelana

Uphawu
I-Toff Toff(isimo)
I-Toff(uart) i-Toff(usb) i-Toff-on

Ipharamitha
Vala ububanzi be-pulse obusezingeni eliphansi Cisha isikhathi (ngokuvumelana nesimo) Cisha isikhathi (ngokuhambisana nesixhumi esibonakalayo se-UART) Vala isikhathi (ngokuhambisana nesixhumi esibonakalayo se-USB) Vala - vula isikhathi sebhafa

Okuncane.
2.5 -
2

Thayipha.
480
2.4 690
-

Ubukhulu.
-
-

Iyunithi
thina
ms us s

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I-SIM7672X Series Hardware Design_V1.02
QAPHELA
Iphinikhodi yesimo ingasetshenziselwa ukwahlulela ukuthi imojuli ivuliwe noma cha. Uma imojuli ivuliwe futhi ukuqalisa sekuqediwe, isimo sikhipha izinga eliphezulu, ngaphandle kwalokho izinga eliphansi lizogcinwa ngaso sonke isikhathi.

3.2.3. Setha kabusha Umsebenzi

Ithebula 14: SETHA KABUSHA incazelo yephinikhodi yesixhumi esibonakalayo

Iphinikhodi ye-Pin No.

SETHA KABUSHA

I/O
DI,PU

Incazelo
Okokufaka kokulawula ukusetha kabusha isistimu, kuphansi okusebenzayo.

Qaphela

Imojuli ingasethwa kabusha ngokudonsela phansi iphinikhodi yokusetha kabusha iye ezingeni eliphansi. Isekhethi enconyiwe iboniswa kanje:

MODULE

SETHA KABUSHA i-pulse 4.7K

I-Treset

47K

RESE T

Umfanekiso 11: Isekhethi yokusetha kabusha ireferensi

Ithebula 15: SETHA KABUSHA isici sika-elekthronikhi sephinikhodi

Uphawu
I-Treset VIH VIL

Incazelo

Okuncane.

Umfutho wesikhathi osebenzayo wezinga eliphansi ku-RESET pin ukuze -
setha kabusha imojuli

Faka ivolumu yezinga eliphezulutage

Okokufaka kwezinga eliphansi voltage

-0.3

Thayipha. Ubukhulu. Iyunithi

0.5

1.2

0.4

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I-SIM7672X Series Hardware Design_V1.02
QAPHELA
Kunconywa ukusebenzisa iphinikhodi yokusetha kabusha kuphela esimweni esiphuthumayo, njengokuthi imojuli ingaphenduli. Isikhathi sokusetha kabusha sinconywa ukuthi sibe ama-0.5s.

Isikhombimsebenzisi se-UART

Imojula ihlinzeka ngezimbobo ezintathu ze-serial, imbobo ye-serial yokuxhumana enkulu yi-MAIN_UART, imbobo eyodwa evamile yokuxhumana ye-GNSS, kanye ne-DEBUG_UART enikezela ukuphrinta ilogu.

Ithebula 16: Incazelo yezikhonkwane ze-UART

Phina igama

Cha.

Isizinda samandla

Umsebenzi ogcwele we-UART interface

MAIN_UART_RTS

1.8V

MAIN_UART_CTS

1.8V

MAIN_UART_RXD

1.8V

MAIN_UART_TXD

1.8V

MAIN_UART_RI

1.8V

MAIN_UART_DCD

1.8V

MAIN_UART_DTR

1.8V

Uhlobo
NGIYAYENZA YENZA YENZA DI

Lungisa iphutha le-UART

DEBUG_UART_TX

1.8V

DEBUG_UART_RX

1.8V

AUX_UART

AUX_UART_TXD

1.8V

AUX_UART_RXD

1.8V

Incazelo

Qaphela

Okokufaka kwe-RTS Okukhiphayo kwe-CTS Okokufaka idatha Okukhipha idatha Inkomba yokukhala Ukutholwa kwesithwali i-DTE Isilungile

Uma ingasetshenziswanga, yigcine ivuliwe.

I-UART yokulungisa iphutha, ilogi yokuqalisa izokhishwa ngesikhathi sokuqalisa.

Okuzenzakalelayo kusetshenziswa njengembobo yokususa iphutha.

Okukhipha idatha Okokufaka kwedatha

Imbobo ye-serial enezintambo ezimbili

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3.3.1. UART Design Guide

Uma ikhasimende lisebenzisa imbobo ye-serial esebenza ngokugcwele, sicela ubhekisele kumodi yokuxhumana elandelayo:

MODULE(DCE) Imbobo ye-serial
I-TXD RXD RTS CTS DTR DCD
RI

I-HOST (DTE) port ye-serial
I-TXD RXD RTS CTS DTR DCD
INDANDATHO

Umfanekiso 12: Umdwebo woxhumano lwembobo ye-serial (imodi esebenza ngokugcwele) Uma usebenzisa imbobo ye-serial enezintambo ezi-2, sicela ubhekisele kumodi yokuxhuma elandelayo:

I-MODULE (DCE)

UART

I-TXD
I-RXD RTS CTS

I-Host(DTE)

I-TXD

I-RXD RTS

UART

I-CTS

Umfanekiso 13: Umdwebo woxhumano lwembobo ye-serial (imodi ye-NULL)
Isibalo esilandelayo sibonisa ukusetshenziswa kwe-triode kumasekhethi e-level shifter. Sicela unake ngokukhethekile isiqondiso sesignali. Imodeli ye-triode enconyiwe yi-MMBT3904.

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I-SIM7672X Series Hardware Design_V1.02

MODULE
Idatha ye-TXD RXD

1K~4.7K
470pF_NM 4.7K
1nF

VDD_EX T VI O_MCU
UMPHATHI
MCU_RXD MCU_TXD

1nF
4.7K 1K~4.7K

I-CTS RTS GPIO

VDD_EX T

GND

I-CTS RTS GPIO
GND

Umfanekiso 14: Isekhethi yokuguqulwa kwezinga le-Triode
QAPHELA
1. I-UART Eyinhloko isekela amanani e-baud alandelayo: 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400 kanye 921600. Izinga le-baud elizenzakalelayo ngu-115200bpsXNUMX.
2. Izinga eliphezulu le-baud elisekelwa i-SIM7672X i-serial port evamile ngu-921600bps. 3. I-parasitic capacitance ye-transistor izothinta umkhawulo wesiginali yedijithali yesivinini esikhulu. Akuyona
Kunconywa ukusebenzisa le sekhethi lapho isivinini sesiginali singaphezu kuka-115200bps.

3.3.2. I-RI kanye nokuziphatha kwe-DTR
I-RI ngokuvamile igcina okukhiphayo kwezinga eliphezulu. Lapho ithola umlayezo omfushane noma umbiko we-URC, i-RI ikhipha ileveli ephansi ye-120ms (umlayezo omfushane)/60ms (URC), bese ibuyela kusimo sezinga eliphezulu.

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I-SIM7672X Series Hardware Design_V1.02

RI High

I-IDLE

Phansi

120ms/60ms ivolumu ephansitage okukhiphayo lapho wamukela
I-SMS noma yimuphi umbiko we-URC.

Umfanekiso 15: Ukuziphatha kwe-RI (i-SMS nombiko we-URC)
Ngemva kokusetha umyalo we-AT othi “AT+CSCLK=1”, bese ukhipha iphinikhodi ye-DTR, imojula izongena kumodi yokulala isuka kumodi yokungenzi lutho. Kumodi yokulala, i-UART ayitholakali. Lapho i-SIM7672X ingena kumodi yokulala, ukudonsa phansi i-DTR kungavusa imojuli. Ngemva kokusetha umyalo we-AT othi “AT+CSCLK=0”, i-SIM7672X Series ihlala inganyakazi lapho iphinikhodi ye-DTR idonsela phezulu.
QAPHELA
Ngemva kokuthi imojuli ingene kumodi yokulala, amakhasimende angadonsa i-DTR aye phansi ku-GND ukuze avuse imojuli.

Isixhumi esibonakalayo se-USB

Imojuli iqukethe isixhumi esibonakalayo se-USB, esithobelana nokucaciswa kwe-USB2.0 njengendawo yokuxhumana, kodwa ayisekeli umsebenzi wokushaja nge-USB kanye nemodi ye-USB HOST.

I-USB isekela imodi yesivinini esikhulu (480Mbps) kanye nemodi yesivinini esigcwele (12Mbps), isetshenziselwa ukuxhumana nomyalo we-AT, ukudluliswa kwedatha, ukuphuma kwe-GNSS NMEA, ukuthuthukiswa kwe-firmware nokulungisa iphutha lesofthiwe.

Kunconywa ukuthi ugcine amaphuzu wokuhlola we-USB ngesikhathi sokuklama. Uma i-chip yokulawula eyinhloko ixhunyiwe, izinto eziphikisayo ezingu-0R kufanele zibekelwe ukushintsha izindawo zokuhlola zangaphandle phakathi nomklamo, njengoba kuboniswe esithombeni esingezansi.

Ithebula 17: Incazelo yezikhonkwane zesixhumi esibonakalayo se-USB

Phina igama
I-VBUS USB_DN USB_DP

Cha.

Isizinda samandla

Uhlobo Incazelo

Qaphela

Okokufaka kokutholwa kwe-USB okuvumelekile. Ukusebenza okuphezulu,

I-Vmin=3.6V, Vmax=5.2V, Vnorm=5V

I-electrode engalungile yokuhluka,

I-AIO

isignali ye-USB ye-bi-directional.

I-AIO Positive electrode yokuhluka, i-bi-

isignali ye-USB eqondisayo.

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3.4.1. I-USB Reference Design
Imojula ingasetshenziswa njengedivaysi yesigqila se-USB. Umdwebo womjikelezo wokuxhuma onconywayo umi kanje:

Izintambo zegatsha akufanele zidlule u-2mm

Imojuli

USB_VB US

0R_NM 0R_NM

Ikhomba

USB_VB US USB_DN USB_DP GND

2.2R
2.2R
Beka eduze nemojuli

Umsingathi
DD+ GND

I-D3 D1 D2

Umfanekiso 16: Umdwebo wesekethe ye-USB
Amakhasimende kufanele anake ukukhethwa kwamadivayisi e-D3. Kunconywa ukuthi ukhethe amadivaysi e-anti-static kanye ne-anti-surge amabili-in-one, futhi ishubhu eyodwa ye-TVS ingafakwa, imodeli enconyiwe AZ9707-01F. I-D+/Dtrace impedance ilawulwa ngokusho kwe-90 futhi ihlanganiswe nomhlabathi; D1/D2 khetha ishubhu ye-TVS enevelu yomthamo <1pf, futhi kufanele abekwe eduze kwesixhumi se-USB noma indawo yokuhlola, amamodeli anconyiwe ESD73131CZ kanye ne-ESD9L5.0ST5G.
Ithebula 18: I-TVS yohlu lwezinombolo ze-USB

Umkhiqizi
KUZOMANGALISA

Inombolo Yengxenye
ESD73131CZ-2/TR ESD9L5.0ST5G AZ9707-01F

I-VRWM
5V 5V 7V

VCmax
6.5V 9.8V 12.5V

CJmax
0.45pF 0.9pF 950pF

Iphakheji
I-DWN0603-2L SOD-923 DFN1610

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I-SIM7672X Series Hardware Design_V1.02
QAPHELA
1. Igebe elivela kwezinye izimpawu kufanele ligcine ububanzi bomugqa izikhathi ezi-3. 2. Imizila yokulandela umkhondo kufanele ibe kude kwamanye amasiginali azwelayo (RF, audio, and XO). 3. Ukutholwa kwesivinini se-USB2.0 kunqunywa ngokuzenzakalelayo iphrothokholi ye-USB. 4. Asikho isidingo sokudonsa i-DP yangaphandle, ngoba ingase ithinte ukubala kwedivayisi ye-USB.

3.4.2. USB_BOOT Interface

Imojuli inikeza isixhumi esibonakalayo sokuqalisa ukulanda okuphoqelelwe `USB_BOOT'. Ithebula 19: USB_BOOT incazelo yephinikhodi yesixhumi esibonakalayo

Phina igama No.
USB_BOOT 6

Isizinda samandla
1.8V

Uhlobo
DI

Incazelo
Okokufaka kokulawula ukulanda kwe-Firmware. Uma udonsela phansi ku-GND bese ucindezela u-PWRKEY, imojuli izofinyelela ngemodi yokulanda ye-USB.

Qaphela
Sicela ubeke amaphuzu okuhlola angu-2 ukuze ulungise iphutha. Ungadilizi i-USB_BOOT ngesikhathi amandla avamile evuliwe!

Uma imojuli yehluleka ukuqalisa, amakhasimende angaphoqelela ukuthuthukisa ngembobo ye-USB_BOOT. Ngaphambi kokuthi imojuli ivulwe, donsa phansi iphinikhodi ye-USB_BOOT ku-GND, bese usebenzisa amandla e-VBAT kumojuli, bese ucindezela u-PWRKEY ukuze ufake imodi yokulanda. Ngemva kokufaka imodi yokulanda, khulula i-USB_BOOT bese ususa ukudonsela phansi.

Imojuli
I-USB_BOOT

Nqamula lapho ukulanda kuqala
1K
I-TVS

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Umfanekiso 17: Isekhethi ye-USB_BOOT eyinkomba

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I-SIM7672X Series Hardware Design_V1.02 Amakhasimende azobona imbobo yokulanda embobeni yesiphathi sedivayisi yesistimu yamawindi.

Umfanekiso 18: Imbobo yokulanda ngamandla
QAPHELA
1. I-USB_ BOOT iphinikhodi yokulawula ukulanda, le phinikhodi ayikwazi ukudonselwa phansi ngaphambi kokuthi kuvulwe amandla ajwayelekile. Uma kungenjalo, izofaka imodi yokulanda.
2. Kunconywa ukuthi ubeke indawo yokuhlola ukuze kube lula ukulungisa iphutha nokuthuthukisa.

I-USIM Interface

Imojula isekela womabili amakhadi e-USIM angu-1.8V kanye ne-3.0V. Amandla esixhumi esibonakalayo ekhadi le-USIM ahlinzekwa yi-voltage umlawuli ngaphakathi module.

Ithebula 20: Incazelo yezikhonkwane zesixhumi esibonakalayo se-USIM

Phina igama
SIM_DATA SIM_RST SIM_CLK
SIM_VDD

Cha.

Isizinda samandla

Uhlobo

31 1.8/3.0VI/O,PU

33 1.8/3.0VI/O,PU 32 1.8/3.0VI/O,PU

30 1.8/3.0V PO

Incazelo

Qaphela

Isignali yedatha ye-SIM. Okukhiphayo kokusetha kabusha isignali ye-SIM RST. Okukhipha iwashi lesignali ye-SIM CLK.
Okukhipha amandla ekhadi le-SIM.

Le phinikhodi idonswe phezulu nge-4.7K resistor ku-SIM_VDD ngaphakathi.
Isekela ukuphuma kwe-1.8V/3.0V ngokohlobo lwekhadi, okukhiphayo okwamanje kufika ku-30mA.

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I-SIM7672X Series Hardware Design_V1.02

SIM_DET

34 1.8V

I/O,PU

Thola ukufaka ikhadi le-SIM.

Ithebula 21: Isici sogesi se-USIM kumodi engu-1.8V (SIM_VDD=1.8V)

Ingasethwa ibe phezulu/ephansi isebenze ngomyalo we-AT, bheka idokhumenti [25]

Uphawu
SIM_VDD VIH VIL VOH VOL

Ipharamitha
Okukhipha amandla e-LDO voltage I-high-level input voltage Ivolumu yokufaka yezinga eliphansitage High-level okukhiphayo voltage Ivolumu yokukhishwa kwezinga eliphansitage

Okuncane.
1.62 0.7*SIM_VDD -0.3 0.8*SIM_VDD –

Thayipha.
1.8 0 0

Ubukhulu.
1.98 0.2*SIM_VDD 0.15*SIM_VDD

Ithebula 22: Isici sogesi se-USIM kumodi engu-3.0V (SIM_VDD=3V)

Iyunithi
VVVVV

Uphawu
SIM_VDD VIH VIL VOH VOL

Ipharamitha
Okukhipha amandla e-LDO voltage I-high-level input voltage Ivolumu yokufaka yezinga eliphansitage High-level okukhiphayo voltage Ivolumu yokukhishwa kwezinga eliphansitage

Okuncane.
2.7 0.7*SIM_VDD -0.3 0.8*SIM_VDD –

Thayipha.
3 0 0

Ubukhulu.
3.3 0.2*SIM_VDD 0.15*SIM_VDD

Iyunithi
VVVVV

3.5.1. I-SIM Isicelo Umhlahlandlela
Kunconywa ukusebenzisa ingxenye yokuvikela ye-ESD. Qaphela ukuthi i-USIM peripheral circuit kufanele ibe seduze nesokhethi yekhadi le-USIM. Isibalo esilandelayo sibonisa isekethe yesibambi se-SIM khadi enamaphini angu-6.

MODULE
SI M_VDD SI M_RST SI M_CLK
SI M_DATA

22 22
22

I-SIM Socket

Idatha ye-VCC RST CLK

GND VP P
I/O

33pF 33pF 33pF 1uF 100nF 33pF

www.simcom.com

Umfanekiso 19: Isekhethi yereferensi ye-SIM

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MODULE
VDD_EX T SI M_VDD SI M_RST SI M_CLK SI M_DET
SI M_DATA

47K (NC)

I-SIM7672X Series Hardware Design_V1.02

22 22 22
22

I-SIM Socket

VCC

GND

I-RST

VP P

I-CLK

I/O

UBUKHONA GND

33pF 33pF 33pF
1uF 100nF 33pF

Umfanekiso 20: Isekhethi yereferensi ye-SIM (8PIN)

QAPHELA
1. I-SIM_DATA idonswe nge-resistor engu-4.7K ku-SIM_VDD kumojuli. 2. I-capacitor engu-100nF ku-SIM_VDD isetshenziselwa ukunciphisa ukuphazamiseka. 3. Ukusebenzisa i-“AT+UIMHOTSWAPON=0 noma 1” ukuze unike amandla umsebenzi wokushintshashintsha okushisayo kwe-SIM khadi. Lo msebenzi ukhutshaziwe
ngephutha. 4. Ukusebenzisa i-“AT+UIMHOTSWAPLEVEL=0 noma 1″AT umyalo ukuze usethe izinga lokuthola ikhadi le-USIM ukuze uzivumelanise nalo.
logic yesignali. 5. Ukuze uthole imininingwane eyengeziwe yemiyalo ye-AT mayelana ne-USIM, sicela ubheke idokhumenti [1].

Isekhethi ye-USIM khadi kulula ukuthi iphazamiseke, okuholela ekuhlulekeni ukubona noma ukulahla ikhadi, njll. ngakho-ke sicela ulandele le migomo elandelayo ngesikhathi sokuklama: Qinisekisa ukuthi isokhethi ye-USIM ikude nothi ngesikhathi sokuklama. Isigaba sesakhiwo se-PCB. Ukulandelela ikhadi le-USIM kufanele kube kude ne-RF, VBAT kanye namasignali esivinini, ngesikhathi esifanayo i-USIM
ukulandelelwa kwamakhadi kufanele kube kufushane ngangokunokwenzeka. Gcina iphinikhodi ye-GND yesokhethi ye-USIM ixhumeke ngqo endaweni eyinhloko. Ukuze uvimbele i-SIM_CLK kusukela kokunye ukuphazamiseka kwesignali, kuphakanyiswa ukuthi wenze iphakheji ehlukene ukuze
vikela ukucubungula kwe-SIM_CLK. Beka i-TVS eduze nesokhethi ye-USIM, futhi amandla e-parasitic we-TVS akufanele abe makhulu kune
15pF, njenge-WS03DTUMS-B. Xhuma izimbangi ezingama-22 ochungechungeni phakathi kwesokhethi ye-USIM nemojula kungathuthukisa ukuvikelwa kwe-ESD
ukusebenza. Isikhathi sokukhuphuka/sokuwa se-USIM_CLK akumele sidlule ama-40ns.
Ithebula 23: I-TVS yohlu lwenombolo yesokhethi ye-USIM

Umkhiqizi
WAYON

Inombolo Yengxenye
I-WS03DTUMS-B

I-VRWM
3.3V

VCmax
8V

I-PPPmax
35W

CJmax
0.7pF

Iphakheji
Idatha ye-DFN0603-2L

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INTANDO

ESD9X5VU-2/TR

I-SIM7672X Series Hardware Design_V1.02

72W

0.9pF DFN1006-2L

I-I2C Interface

Imojula inikeza isikhombimsebenzisi esisodwa se-I2C, esisekela imvamisa yewashi elijwayelekile elingu-100Kbps kanye nemvamisa yewashi yejubane eliphezulu engu-400Kbps. Ukusebenza kwayo voltagngi 1.8v.

Ithebula 24: Incazelo yezikhonkwane ze-I2C

Phina igama
I2C_SCL I2C_SDA

Cha.

Isizinda samandla

38 1.8V

37 1.8V

Uhlobo
OD OD

Incazelo
Iwashi le-I2C eliphumayo ledatha ye-I2C I/O

Qaphela
Uma ingasetshenziswanga, yigcine ivuliwe. Udinga ukudonsa kuze kufike ku-VDD_EXT ngaphandle.

VDD_EXT

Imojuli

4.7K

I2C_SCL I2C_SDA

GND

Idivayisi
I-SCL SDA GND

Umfanekiso 21: I-I2C reference circuit
QAPHELA
I-I2C_SCL ne-I2C_SDA azinawo amandla okudonsela phezulu ngaphakathi, i-resista yangaphandle iyadingeka.

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I-GPIO Interface

I-SIM7672X Series Hardware Design_V1.02

Imojula inikeza ama-GPIO amaningi. Ithebula 25: Izinsiza ezijwayelekile ze-GPIO ze-SIM7672X

Iphini No.

Phina igama

Ukusebenza komyalo we-AT GPIO
inombolo

Phina.

I-GPIO1

I-GPIO2

I-GPIO3

I-GPIO4

I-GPIO5

I-GPIO6

I-GPIO7

I-GPIO8

I-GPIO9

I-GPIO10

I-GPIO11

I-GPIO12

Isizinda samandla
1.8V 1.8V 1.8V 1.8V 1.8V 1.8V 1.8V 1.8V 1.8V 1.8V 1.8V 1.8V

Umsebenzi ozenzakalelayo
PU PD PU PD PU PU PU PU PD PU PU PU

Ukuvuka kwePad Edge
NO NO NO NO NO NO NO NO NO NO NO NO NO

STATUS Interface

Iphinikhodi ye-STATUS ingasetshenziswa ukunquma ukuthi imojuli ivuliwe noma cha. Uma imojuli ivuliwe futhi ukuqalisa sekuqediwe, ukuphuma kwesimo kuphezulu, ngaphandle kwalokho kuzohlala kuphansi.

Ithebula 26: STATUS interface yencazelo yephinikhodi

Phina igama
ISIMO

Cha.

Isizinda samandla

42 1.8V

Uhlobo
DO

Incazelo

Qaphela

Isimo sokusebenza kwemojuli Uma ingasetshenziswa, yigcine ivuliwe. inkomba

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Imojuli

I-SIM7672X Series Hardware Design_V1.02 VBAT

ISIMO

2.2K 4.7K
47K

Umfanekiso 22: STATUS reference circuit
QAPHELA
Inani le-resistor ebizwa ngokuthi "R" lincike kusici se-LED.

Isimo Senethiwekhi

Ithebula 27: Incazelo yephinikhodi ye-NETLIGHT

Phina igama
I-NETLIGHT

Cha.

Isizinda samandla

52 1.8V

Uhlobo
DO

Incazelo

Qaphela

Inkomba yesimo sokubhaliswa kwenethiwekhi (LED).

Iphinikhodi ye-NETLIGHT isetshenziselwa ukulawula i-Network Status LED, umjikelezo wayo oyisithenjwa uboniswa esithombeni esilandelayo.

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Imojuli

I-SIM7672X Series Hardware Design_V1.02 VBAT

I-NETLIGHT

2.2K 4.7K
47K

Umfanekiso 23: Isekhethi yereferensi ye-NETLIGHT

QAPHELA
Inani le-resistor ebizwa ngokuthi "R" lincike kusici se-LED.

Isignali ye-NETLIGHT isetshenziselwa ukulawula ukukhanya kwe-LED okubonisa isimo senethiwekhi. Isimo sokusebenza sale phinikhodi sikhonjiswe kuthebula elingezansi.

Ithebula 28: Imodi ye-LTE isimo sephinikhodi ye-NETLIGHT

Isimo sephinikhodi ye-NETLIGHT
Njalo Ku-200ms VULIWE, 200ms VALIWE

Isimo semojuli
Isesha I-Network Data Transmit/Registered Power off/Lala

I-GNSS Interface

Imojula isekela isixhumi esibonakalayo somsebenzi we-GNSS. I-GNSS ihlinzeka ngoxhumano lokokufaka okuphakelayo kwamandla oku-2, ukushintsha kokulawula amandla e-GNSS oku-2, isixhumi esibonakalayo sokusetha kabusha esi-1, isixhumi esibonakalayo sokulungisa iphutha esi-1, isixhumi esibonakalayo esi-1 se-UART kanye nesixhumi esibonakalayo sesignali yewashi ye-pulse synchronous engu-1, okuchazwe ngokuningiliziwe ngale ndlela elandelayo.

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I-SIM7672X Series Hardware Design_V1.02

Ithebula 29: Incazelo yesixhumi esibonakalayo se-GNSS

I-PIN Igama

I-PIN NO

I/O

Incazelo

Qaphela

Ukunikezwa kwamandla kusuka ku-2.0V

GNSS_VBKP

116 PI GNSS amandla okufaka isipele

ukuya ku-3.6V, iphakamisa amandla angu-2.8V

hlinzeka.

Ukunikezwa kwamandla kagesi voltagkufanele

kungabi ngaphansi kuka-1.75V futhi cha

GNSS_VDD

97 PI GNSS VSYS okokufaka

ngaphezu kwe-1.9V, ngokuvamile i-1.8V. Ikhebula kufanele libe lifushane njenge

kungenzeka, ngobubanzi bekhebula le

ngaphezu kuka-0.3 mm.

Ukuphakama okusebenzayo.

Isixazululo 1: Sebenzisa i-resistor engu-10K ngaphakathi

GNSS_PWRCTL

Uchungechunge lwamandla e-Vcore lwangaphakathi lwe-DI GNSS ukuze luxhumeke ku-GPIO,

vumela ukulawula

batusa ukusebenzisa i-GPIO2 (PIN20).

Isixazululo 2: Sebenzisa i-resistor engu-10K ngaphakathi

series ukuxhuma ku-MCU GPIO.

Kuphela ngemodi ezimele engakwazi

GNSS_VDD_EN

Amandla wesistimu yangaphakathi ye-DI GNSS asetshenziswa ngokuxhuma ku-MCU

vumela ukulawula

I-GPIO ene-resistor engu-10K ochungechungeni.

Uma ingasetshenziswanga, yigcine ivuliwe.

1.8V isizinda samandla.

Isixazululo 1: Sebenzisa i-resistor engu-1K ngaphakathi

uchungechunge ukuxhuma

GNSS_RXD

96 DI GNSS UART RXD

I-AUX_UART_TXD (PIN50) yemojuli.

Isixazululo 2: Sebenzisa i-resistor engu-1K ngaphakathi

series ukuxhuma ku-MCU

UART_TXD.

1.8V isizinda samandla.

Isixazululo 1: Sebenzisa i-resistor engu-1K ngaphakathi

uchungechunge ukuxhuma

GNSS_TXD

95 YENZA GNSS UART TXD

I-AUX_UART_RXD (PIN49) yemojuli.

Isixazululo 2: Sebenzisa i-resistor engu-1K ngaphakathi

series ukuxhuma ku-MCU

UART_RXD

1PPS

Iwashi lokuvumelanisa le-GNSS

100 YENZA

Uma ingasetshenziswanga, yigcine ivuliwe.

isignali

I-GNSS_DEBUG_TX 115 YENZA i-GNSS ukulungisa iphutha TXD

GNSS_DEBUG_RX 111 DI GNSS susa iphutha RXD

GNSS_RST_N

114 AI GNSS RST interface

Okuphansi okusebenzayo.

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I-SIM7672X Series Hardware Design_V1.02

Isixazululo 1 se-GNSS esinconyiwe sokuklama: Imojuli ye-SIM7672X ngokwayo inikeza amandla, amandla okunika amandla kanye nokudluliselwa kwe-UART ku-GNSS, idizayini yesithenjwa enconyiwe imi kanje:

Ingxenye 1 yemojuli
I-VDD_EXT 15
AUX_UART_TXD 50 AUX_UART_RXD 49
I-GPIO2 20

Phakamisa njalo kokuthi 2.2uF
0
I-2V8 yangaphandle
1K 1K 10K

10 0R

100R

Ingxenye 2 yemojuli
GND
97 GNSS_VDD
116 GNSS_VBKP GND 96 GNSS_RXD 95 GNSS_TXD 98 GNSS_PWRCTL
100 1PPS
111 GNSS_DEBUG_RX
115 GNSS_DEBUG_TX

90 GNSS_ANT

Umfanekiso 24: Idizayini yesithenjwa ye-GNSS (isixazululo se-GNSS esingazimele)
Isixazululo sesi-2 se-GNSS esinconyiwe sokuklama: I-MCU yangaphandle inikeza amandla, amandla okunika amandla kanye nokudluliswa kwe-UART ku-GNSS, lesi sixazululo sisetshenziselwa izimo lapho i-GNSS ingasebenza khona yodwa ngaphandle kokuthi imojula iqine. Idizayini yesithenjwa enconyiwe imi kanje:

I-MCU 1.8V

VDD_EX T

Ukunikezwa kwe-VBAT Okuzenzakalelayo:3.8V

2.2uF

MCU_TXD MCU_RXD
MCU_GPIO1 MCU_GPIO2

Phakamisa njalo

0R
I-2V8 yangaphandle
1K 1K 10K 0R

100R

I-VBAT Module
GND
97 GNSS_VDD
116 GNSS_VBKP GND 96 GNSS_RXD 95 GNSS_TXD 98 GNSS_PWRCTL 40 GNSS_1V8_EN 100 1PPS
111 GNSS_DEBUG_RX
115 GNSS_DEBUG_TX

90 GNSS_ANT

Umfanekiso 25: Idizayini yesithenjwa ye-GNSS (isixazululo se-GNSS esizimele) www.simcom.com

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I-SIM7672X Series Hardware Design_V1.02

QAPHELA
1. Sicela ubeke izinqamuleli ezingu-1K ochungechungeni lwemigqa yokuxhumana ye-serial enesixazululo se-GNSS esingame sodwa ukuze uvimbele ukuvuza kwamanje kuzimbobo ze-serial chip ye-GNSS.
2. Idizayini yesithenjwa ye-GNSS ezimele isebenza kuphela ku-MCU yesizinda samandla angu-1.8V. Uma i-MCU ingesona isizinda samandla esingu-1.8V, isifunda sokushintsha izinga kufanele kwengezwe.
3. Idizayini ezimele ye-GNSS idinga i-VBAT voltage input. 4. Kumodi ezimele, i-MCU_GPIO1 kanye ne-MCU_GPIO2 kufanele zidonselwe phezulu ngesikhathi esisodwa ukuze kuhlangatshezwane
amandla ngokulandelana. 5. I-GNSS_VDD inezidingo eziphakeme zokunikezwa kwamandla, umzila we-PCB kufanele ube mfishane ngangokunokwenzeka,
futhi ububanzi bomzila kudingeka okungenani bube ngu-0.3mm. 6. I-GNSS_VBKP yokufaka ugesi iyisimo esidingekayo sokuqala okushisayo, esingaqinisekisa ukuthi
inkomba yokusebenza yesiqalo esishisayo se-GNSS ukuze ifinyelele esimweni esifanele. Uma kufakwa okungu-2.8V, inani elijwayelekile lokusetshenziswa kwamanje lingu-37uA. 7. Qiniseka ukuthi uxhuma i-resistor engu-10K kuphinikhodi ye-GNSS_PWRCTL ochungechungeni kanye nesignali yokunika amandla yangaphandle.

Imiyalelo nge-GNSS injengethebula elilandelayo.

Ithebula 30: Imiyalo ye-AT mayelana ne-GNSS

AT Command
AT+CGNSSPWR=
AT+CGNSSTST=
AT+CGPSCOLD AT+CGPSWARM AT+CGPSHOT AT+CGNSSSLEEP* AT+CGNSSWAKEUP* AT+CGNSSFLP= *

Incazelo
Ukulawula amandla e-GNSS =1: I-GNSS esebenzayo =0: Vala i-GNSS Thumela idatha etholwe isuka ku-UART iye embobeni ye-NMEA =1: Qala ukuthumela idatha embobeni ye-NMEA =0: Yeka ukuthumela idatha embobeni ye-NMEA Isiqalo esibandayo se-GNSS
Isiqalo esifudumele se-GNSS
Isiqalo esishisayo se-GNSS
Setha i-GNSS kumodi yokulala
Vuka GNSS
=1: Vula imodi yokonga amandla ngezikhathi ezithile =0: Vala imodi yokonga amandla ngezikhathi ezithile

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I-SIM7672X Series Hardware Design_V1.02
QAPHELA
I-GPIO2 izodonselwa phezulu ngemva kokuthumela okuthi “AT+CGNSSPWR=1”. '*' Ibonisa ukuthi imisebenzi isathuthukiswa. Sicela ubeke amaphuzu okuhlola we-GNSS_RXD kanye ne-GNSS_TXD ukuze uthuthukise i-firmware. Sicela ubhekisele kudokhumenti [1] ukuze uthole eminye imiyalo ye-AT mayelana ne-GNSS.

PCM Interface*

Imojula inikeza isethi ye-PCM interface, ingaxhunywa ku-chip ye-codec yomsindo yangaphandle, isekela imodi eyinhloko, ifomethi yefreyimu emfushane yomugqa we-16-bit.

Imojula isekela umsebenzi womsindo, ayisekeli umsebenzi we-VoLTE, amakhasimende angasebenzisa umsebenzi womsindo ku-codec yangaphandle ye-PCM. Ukuze uthole amapharamitha athile kanye nezindaba, sicela ubheke kumanuwali afanele wesofthiwe.

Ithebula 31: Incazelo yezikhonkwane zesixhumi esibonakalayo se-PCM

Phina igama

Cha.

Isizinda samandla

PCM_CLK 11 1.8V

PCM_SYNC 12 1.8V

I-PCM_DIN 13 1.8V

I-PCM_DOUT 14 1.8V

Uhlobo
I/O,PD I/O,PD DI,PD DO,PD

Incazelo
Iwashi le-PCM Ukuvumelanisa kohlaka lwe-PCM idatha ye-PCM yokukhipha idatha ye-PCM

Qaphela
Uma ingasetshenziswanga, yigcine ivuliwe.

Ithebula 32: Incazelo yesixhumi esibonakalayo se-PCM

Isici
Amabhithi edatha ye-Encoding-Format Imodi yesigqila esiyinhloko PCM sample silinganiso sokuvumelanisa uzimele we-PCM Ifomethi yedatha

Incazelo
I-Linear 16bits/24bits Master 8KHz/16KHz Uhlaka olufushane lwe-MSB

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3.11.1. Ukulandelana kwe-PCM

I-SIM7672X Series Hardware Design_V1.02

SSPSCLK SSPSFRM
I-SSPTXD
I-SSPRXD

Akuchazwanga

I-Bit[N]

I-Bit[N-1]

Kancane[1]

Kancane[0]

I-Bit[N]

I-Bit[N-1]

Kancane[1]

MSB

4 kuya ku-32 Bits

Umfanekiso 26: Ukulandelana kwe-PCM

I-Bit[0] LSB

Akuchazwanga

3.11.2. PCM Reference Design

Imojuli

PCM_IN PCM_OUT PCM_SY NC PCM_CLK

VDD_EXT 4.7K

I-SCL

4.7K

I-SDA

I-BL M21 PG 22 1SN 1

I-GND 0R 0R
0r0r

AG ND

100pF

4.7uF

3.3V 3.8V VDD_EXT

PA DG ND VS SA VS SSP K

VDDA VDDSP K
I-VDDD

I-ADCOUT DACIN FS BCL K
I-MCLK

M ICBIA S
I-MIC+ MIC-

I-SCLK ye-SDIO

I-MOUT

I-VS SD VREF

I-SP KOUT+ SP KOUT-

I-NAU8810

1.3K

1uF 1uF
1.3K 47uF 47uF

I-MIC

AG ND

Umamukeli (32)

Izindleko zamasheya AGND AGND

Umfanekiso 27: Idizayini yereferensi ye-PCM

QAPHELA
Umsebenzi we-PCM usathuthukiswa.

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Esinye isixhumi esibonakalayo

I-SIM7672X Series Hardware Design_V1.02

3.12.1. I-ADC

Imojula inamaphini angu-2 ajwayelekile e-ADC, futhi isekela i-VBAT ADC.

Ithebula 33: Incazelo yezikhonkwane ze-ADC interface

Phina igama
I-ADC1 ADC2

Cha.

Isizinda samandla

25 0V-1.1V

51 0V-1.1V

Uhlobo
I-AI AI

Incazelo
Inhloso Ejwayelekile I-ADC General Inhloso ADC

Qaphela
Uma ingasetshenziswanga, yigcine ivuliwe. Uma ingasetshenziswanga, yigcine ivuliwe.

Izici zikagesi zimi kanje:

Ithebula 34: Izici ze-elekthronikhi ze-ADC ezijwayelekile
Izici
Ukumelana Kokufaka Kokufaka Kwebanga

Okuncane.
0 0.26

Thayipha.
12 -

Ubukhulu.
1.1 0.75

Iyunithi
Izingxenye ze-VM

QAPHELA
“AT+CADC=2” ingasetshenziswa ukufunda ivolumutage ye-ADC1 pin. “AT+CADC2=2” ingasetshenziswa ukufunda ivolumutage yephinikhodi ye-ADC2. "AT+CBC" ingasetshenziswa ukufunda ivolumutagI-e value of the power supply (VBAT). Ukuze uthole imininingwane eyengeziwe, sicela ubheke idokhumenti [1].

3.12.2. VDD_EXT

Imojula ihlinzeka ngokuphuma kwe-LDO oku-1: VDD_EXT. I-VDD_EXT inganikeza kuphela umthamo wamanje ongu-50mA. Ingasetshenziswa njengomthombo wamandla wemojuli GNSS_VDD (PIN97).

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I-SIM7672X Series Hardware Design_V1.02

Ithebula 35: Incazelo yephinikhodi yokuphuma kwe-LDO

Phina igama

Cha.

Isizinda samandla

VDD_EXT 15 -

Uhlobo Incazelo

Qaphela

1.8V amandla okukhiphayo, Okuzenzakalelayo kuvuliwe. Ingakwazi ukunikeza i-1V8

Okukhiphayo kwe-PO okwamanje kuze kufike ekunikezeni amandla kwe-GNSS. Uma ingasetshenziswa,

50 mA.

igcine ivuliwe.

Ithebula 36: Izici zikagesi ze-VDD_EXT

Uphawu
VDD_EXT IO

Incazelo
Umphumela voltage Okukhiphayo okwamanje

Okuncane.
-

Thayipha.
1.8 -

Ubukhulu.
50

Iyunithi
V mA

QAPHELA
1. Uma imojuli ingena kumodi ye-PSM, i-VDD_EXT izocishwa. 2. Uma umonakalo uzophazamisa ukuqaliswa kwesistimu, kutuswa ukuthi amakhasimende engeze ukuvikelwa kwe-TVS. Imodeli enconyiwe yi-ESD56051N.

Ithebula 37: I-TVS yengxenye yohlu lwenombolo ye-VDD_EXT

Umkhiqizi
WALLSEMI

Inombolo Yengxenye
I-ESD56051N-2/TR

I-VRWM
3.3V

VCmax
10V

CJmax
65F

Iphakheji
Idatha ye-DFN1006-2L

3.12.3. MAIN_UART_WAKEUP

Imojula inikeza isixhumi esibonakalayo se-MAIN_UART_WAKEUP, esingaxhumeka ku-MAIN_UART_RXD ngaphandle ukuze ivuse imojuli.

Ithebula 38: MAIN_UART_WAKEUP incazelo yephinikhodi yesixhumi esibonakalayo

Phina igama

Cha.

Isizinda samandla

Uhlobo

Incazelo

Qaphela

MAIN_UART_WAKEUP 41 1.8V

Ixhume ku

MAIN_UART_RXD

MAIN_UART_RXD ngaphandle

iphini lokuvuka.

uma usebenzisa lolu hlelo lokusebenza.

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3.12.4. ANT_CTRL

I-SIM7672X Series Hardware Design_V1.02

Imojula ihlinzeka ngesethi yemigqa yamasiginali ezinikele ye-antenna GRFC. Ingasetshenziselwa ukulawula ishuna ye-antenna ukuze kuthuthukiswe ukusebenza kwe-antenna.

Ithebula 39: ANT_CTRL incazelo yezikhonkwane zokusebenzelana

Phina igama

Cha.

Isizinda samandla

ANT_CTRL1 42

ANT_CTRL2 43

Uhlobo
YENZA

Incazelo
I-FEMIO yokushintsha ishuna FEMIO yokushintsha ishuna

Qaphela

Isekhethi yereferensi iboniswa esithombeni esilandelayo:

MODULE
ANT_CTRL1 ANT_CTRL2

I-VDD yangaphandle

Ishuna ye-Antenna VDD
I-ANT VC1
I-VC2

I-ANT RF_IN

I-RF_IN

I-GND GND

Umfanekiso 28: Umjikelezo wereferensi yokulawula i-RF

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I-SIM7672X Series Hardware Design_V1.02

Imininingwane ye-RF

Imininingwane ye-LTE

Ithebula 40: Amandla okudlulisa aqhutshwayo

Amandla
23dBm +/-2.7dB 23dBm +/-2.7dB 23dBm +/-2.7dB 23dBm +/-2.7dB 23dBm +/-2.7dB 23dBm +/-2.7dB 23dBm +/-2.7-23dB +/-2.7. 23dBm +/-2.7dB 23dBm +/-2.7dB 23dBm +/-2.7dB 23dBm +/-2.7dB 23dBm +/-2.7dB 23dBm +/-2.7dB 23dBm +/-2.7-23dB 2.7dB +/-23-2.7. +/-23dB 2.7dBm +/-23dB 2.7dBm +/-23dB 2.7dBm +/-23dB 2.7dBm +/-23dB 2.7dBm +/-23dB 2.7dBm +/-XNUMXdB

Okuncane.
<-40dBm <-40dBm <-40dBm <-40dBm <-40dBm <-40dBm <-40dBm <-40dBm <-40dBm <-40dBm <-40dBm <-40dBm <-40dBm <-40dBm <-40dBm <-40dBm <-40dBm <-40dBm <-40dBm <-40dBm <-40dBm <-40dBm <-40dBm <-XNUMXdBm <-XNUMXdBm

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Ithebula 41: Amabhendi asebenzayo e-E-UTRA

I-SIM7672X Series Hardware Design_V1.02

I-E-UTRA
1 2 3 4 5 7 8 12 13 14 18 19 20 25 26 28 66 71 34 38 39 40 41

I-UL Freq.
1920~1980 MHz 1850~1910MHz 1710~1785 MHz 1710~1755MHz 824849 MHz 2500~2570MHz 880~915 MHz 699~716MHz 777~787MHz 788~798MHz 815MHz 830MHz 830MHz 845MHz 832MHz 862~1850MHz 1915~814MHz 849~703MHz 748~1710MHz 1780~663MHz 698~2010MHz 2025~2570MHz 2620~1880 MHz 1920~2300 MHz 2400~2535 MHz 2655~XNUMX MHz

I-DL Freq.
2110~2170 MHz 1930~1990MHz 1805~1880 MHz 2110~2155MHZ 869894MHz 2620~2690MHz 925~960 MHz 729~746MHz 746~756MHz 758MHz 768MHz 860MHz 875MHz 875 890~791MHz 821~1930MHz 1995~859MHz 894~758MHz 803 ~2110MHz 2200~617MHz 652~2010MHz 2025~2570 MHz 2620~1880 MHz 1920~2300 MHz 2400~2535 MHz

Imodi ye-Duplex
I-FDD FDD I-FDD I-FDD I-DD TDD I-TDD I-TDD TDD

Ithebula 42: Okwenziwe thola ukuzwela

Imvamisa
I-LTE FDD/TDD

Thola ukuzwela(Okuvamile)
Bheka ithebula 43

Thola ukuzwela(MAX)
I-3GPP

Ithebula 43: Ukuzwela kwereferensi (QPSK)

Ibhendi ye-E-UTRA
1 2 3 4 5 7

1.4 MHz -102.7 -101.7 -104.7 -103.2 –

3MHz -99.7 -98.7 -101.7 -100.2 –

I-3GPP TS36.521-1

5MHz

10MHz 15MHz

-100

-97

-95.2

-98

-95

-93.2

-97

-94

-92.2

-100

-97

-95.2

-98

-95

-98

-95

-93.2

20 MHz -94 -92 -91 -94 -92

Okwangempela
10 MHz TBD TBD TBD TBD TBD TBD

Imodi ye-Duplex
I-FDD FDD FDD FDD FDD FDD

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I-SIM7672X Series Hardware Design_V1.02

-102.2 -99.2

-97

-94

I-TBD

FDD

-101.7 -98.7

-97

-94

I-TBD

FDD

-97

-94

I-TBD

FDD

-97

-94

I-TBD

FDD

-99.3

-96.3

-94.5

I-TBD

FDD

-99.3

-96.3

-94.5

I-TBD

FDD

-97

-94

-91.2

-90

I-TBD

FDD

-101.2 -98.2

-96.5

-93.5

-91.7

-90.5

I-TBD

FDD

-102.7 -99.7

-97.5

-94.5

-92.7

I-TBD

FDD

-100.2 -98.5

-95.5

-93.7

-91

I-TBD

FDD

-104.2 -101.2 -99.5

-96.5

-94.7

-93.5

I-TBD

FDD

-96.5

-93.5

-91.7

-90.5

I-TBD

FDD

-100

-97

-95.2

I-TBD

TDD

-100

-97

-95.2

-94

I-TBD

TDD

-100

-97

-95.2

-94

I-TBD

TDD

-100

-97

-95.2

-94

I-TBD

TDD

-98

-95

-93.2

-92

I-TBD

TDD

Izidingo ze-Antenna ye-LTE

Ukuze usebenze kangcono, kunconywa ukuthi idizayini ye-antenna ibhekisele ezidingweni zenkomba kuthebula elilandelayo.

Ithebula 44: Izidingo zothi lwe-LTE

Ungenzi lutho
Ibhendi yokusebenza Ukuqondisa Ukuzuza Kokufaka Ukungasebenzi Ukuphumelela Ubukhulu bamandla okufaka we-VSWR Ukuhlukaniswa kwe-PCB ukulahlekelwa kokufaka(<1GHz) ukulahlekelwa kokufakwa kwe-PCB(1GHz~2.2GHz) ukulahlekelwa kokufaka kwe-PCB(2.3GHz~2.7GHz)

Izinga elinconyiwe
Sicela ubheke ithebula 40 kanye nethebula 41 Omnidirectional > -3dBi (Avg) 50 ohm > 50 % 50W < 2 >20dB <0.5dB <1dB <1.5dB

www.simcom.com

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Imininingwane ye-GNSS

Ithebula 45: Amabhendi okusebenza e-GNSS

Uhlobo
I-GPS L1 GLONASS G1 BeiDou B1I GALILEO E1

Imvamisa
1575.42±1.023MHz 1601.7±6.75MHz 1561.098±2.046MHz 1575.42±1.023MHz

Ithebula 46: Ukusebenza kwe-GNSS

I-GNSS

Incazelo Min

Ukunemba Kwesikhundla Okuzenzakalelayo

Ukunemba Kwesivinini

Ngaphandle Kosizo DFPS

Ukunemba Kwesikhathi

Ubude obuphezulu

Ukusebenza Okunamandla

Isivinini esiphezulu seVelocity

I-TTFF (A-GPS off) GPS(L1)+GLONASS+BEIDOU

Isiqalo esishisayo Ukuqala okufudumele Ukuqala okubandayo

I-TTFF (i-A-GPS ivuliwe) (EPO kumodi ye-flash)

Isiqalo esishisayo Ukuqala okufudumele Ukuqala okubandayo

Ezizimele

I-GPS Ezwelayo (L1)

ukutholwa (isiqalo esibandayo) Ukuthola kabusha

Ukulandelela

Iziteshi

Buyekeza izinga

Umamukeli

Ilandelela i-L1, ikhodi ye-CA

Ukwesekwa kwephrothokholi

I-NMEA, PAIR

Ukusebenza

Uhlobo

Ubukhulu

0.18

0.42 14 23.4
-147 -156.5 -164

Iyunithi
mm/sm/s ns mm/s
G
I-SSSSSS
dBm
dBm dBm
Hz

www.simcom.com

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Ukutholwa

Ukusetshenziswa kwamandla Ngokulandela ngomkhondo okuqhubekayo kwe-GPS

(L1) +GALILEO+BEIDOU

Lala njengamanje

I-RTC yamanje

I-SIM7672X Series Hardware Design_V1.02
mA mA uA

Izidingo ze-Antenna ye-GNSS

Ithebula 47: Izimpawu Ze-Antenna Ezinconyiwe (GNSS)

Ungenzi lutho
Ibhendi yebhendi esebenzayo Isiqondiso Sokufaka amandla Amandla aphezulu okufaka i-VSWR Uhlelo lwesigaba Ukuzuza kwezimpondo ezisebenzayo Ukuzuza kwe-antenna esebenzayo Isibalo somsindo we-antenna eyakhelwe ngaphakathi Inzuzo ye-LNA Isamba senzuzo yokulahleka kokufakwa kwe-coaxial

Izinga elinconyiwe
L1: 1559~1609MHZ I-Hemisphere, ubuso nesibhakabhaka 50 ohm 50W <2 RHCP noma Linear 0dBi -2dBi <1.5 20dB(Typ.) <18 dB <1.5dB

www.simcom.com

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I-SIM7672X Series Hardware Design_V1.02

I-Antenna Reference Design

4.5.1. I-Passive Antenna ye-LTE/GNSS

Imojuli
I-ANT GND

Isixhumi se-RF

Isekhethi yokufanisa

R1 C1

R2 D1 C2 TVS

I-Antenna 47nH

I-antenna ye-LTE iyadingeka

Umfanekiso 29: Ireferensi ye-antenna
Emfanekisweni ongenhla, ingxenye engu-R1/C1/C2/C3 ibekelwe ukufanisa i-antenna, inani lezingxenye lingatholwa kuphela ngemva kokushunwa kwe-antenna, ngokuvamile okuhlinzekwa yifekthri yezinti. Phakathi kwazo, u-R1 unamathisela 0, C3 unamathisela u-100pF, C1 no-C2 unganamathiseli ngokuzenzakalelayo. Ingxenye ye-D1 iyidivayisi yokuvikela ye-ESD e-Bidirectional, okuphakanyiswa ukuthi yengezwe kumjikelezo wokuvikela, Izinombolo Zengxenye Enconyiwe ye-TVS yothi oluyinhloko lwe-RF kanye nothi lwe-GNSS zifakwe kuhlu lwethebula elilandelayo:
Ithebula 48: I-TVS yohlu lwenombolo yengxenye yothi oluyinhloko lwe-RF

Umkhiqizi
I-Murata INPAQ BillLSEMI

Inombolo Yengxenye
LXES03AAA1-154 CES10201V05B0 BLE5V0CR05UB

I-VRWM
4V 5V 5V

Ithebula 49: I-TVS yengxenye yohlu lwenombolo yothi lwe-GNSS

VCmax
28V 30V 40V

CJmax
0.05pF 0.1pF 0.05pF

Iphakheji
0603 0201 DFN1006-2L

Umkhiqizi
WAYON

Inombolo Yengxenye
I-WE05DGCF-B

I-VRWM
5V

VCmax
23V

CJmax
0.3pF

Iphakheji
Idatha ye-DFN1006-2L

www.simcom.com

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4.5.2. I-Antenna esebenzayo ye-GNSS

I-SIM7672X Series Hardware Design_V1.02

Uma kusetshenziswa i-antenna esebenzayo, kufanele kube khona amandla angaphandle. Idizayini yesithenjwa iboniswa kanjena:

Imojuli
GNSS_ANT GND

I-VDD

0.1uF

10R

47nH

0R NC

100pF NC

I-Antenna TVS esebenzayo

Umfanekiso 30: Ireferensi yothi olusebenzayo
Isakhiwo se-PCB
Amakhasimende kufanele anake ukwakheka kokuphazamiseka kwesakhiwo se-PCB ukusuka embobeni yemojula ye-ANT kuya kusixhumi esithi, futhi ubude be-PCB trance kufanele bube phakathi kuka-20 mm, futhi buqhele kakhulu kumasiginali wokuphazamiseka njengamandla newashi. Kunconywa ukuthi ubeke i-RF Switch Connector ukuze uhlolwe ukuhlolwa.

www.simcom.com

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I-SIM7672X Series Hardware Design_V1.02 Umfanekiso 31: Ireferensi yesakhiwo se-PCB

www.simcom.com

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I-SIM7672X Series Hardware Design_V1.02

Imininingwane kagesi

Izilinganiso eziphezulu eziphelele

Isilinganiso esiphezulu esiphelele samaphinikhodi edijithali nawe-analogi we-SIM7672X afakwe kuhlu kuthebula elilandelayo, ukweqa le mikhawulo kungase kubangele umonakalo unomphela kumojuli.

Ithebula 50: Izilinganiso eziphezulu eziphelele

Ipharamitha
Voltage ku-VBAT Voltage ku-VBUS Voltage kumaphini wedijithali (GPIO, I2C, UART, PCM) Voltage at l/O pins (USIM) Voltage-PWRKEY Voltage-RESET

Okuncane.
-0.3 -0.3
-0.3
-0.3 -0.3 -0.3 -0.3

Thayipha.
-
-
-

Ubukhulu.
4.5 5.4
2.0
2.0 3.3 4.5 3.6

Iyunithi
VV
V
VVVV

Izimo zokusebenza

Ithebula 51: Izilinganiso zokusebenza ezinconyiwe

Ipharamitha
Voltage-VBAT Voltage VBUS

Ithebula 52: 1.8V izici zeDigital I/O*

Ipharamitha
VIH VIL VOH VOL

Incazelo
Umthamo wokufakwayo wezinga eliphezulutage Ivolumu yokufaka yezinga eliphansitage High-level okukhiphayo voltage Ivolumu yokukhishwa kwezinga eliphansitage

www.simcom.com

Okuncane.
3.4 3.6

Thayipha.
3.8 5.0

Ubukhulu.
4.2 5.2

Iyunithi
VV

Okuncane.
VCC*0.7 -0.3
VCC*0.8 0

Thayipha.
1.8 0 -

Ubukhulu.
VCC+0.2 VCC*0.2
VCC*0.15

Iyunithi
VVVV

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I-SIM7672X Series Hardware Design_V1.02

Okukhiphayo kwezinga eliphezulu (akukho ukudonsa

I-IOH

isimela esiphansi)

Okukhiphayo kwezinga eliphansi (akukho ukudonsa

IOL

up resistor)

Okokufaka kokuvuza okuphezulu kwamanje (cha

IIH

i-resistor yokudonsa)

Okokufaka okuvuza okuphansi okwamanje (akukho ukudonsa

IIL

up resistor)

-10

QAPHELA
Le mingcele ingeyezikhonkwane zesixhumi esibonakalayo sedijithali, njenge-GPIO, I2C, UART kanye ne-PCM.

Izinga lokushisa lokusebenza le-SIM7672X libhalwe kuthebula elilandelayo.

Ithebula 53: Izinga lokushisa elisebenzayo

Ipharamitha
Izinga lokushisa elivamile lokusebenza Ukushisa okunwetshiwe kokusebenza* Izinga lokushisa lokugcina

Okuncane.
-30 -40 -45

Thayipha.
25

Ubukhulu.
75 85 90

Iyunithi

QAPHELA
Uma Imojuli ingaphakathi kwebanga lokushisa elinwetshiwe lokusebenza, Imojula iyakwazi ukusungula nokugcina ukudluliswa kwedatha, i-SMS, njll. Ukusebenza kungase kuchezuke kancane kuzicaciso ze-3GPP, kodwa kuzohlangabezana nokucaciswa kwe-3GPP futhi uma izinga lokushisa libuyela kumazinga okushisa okusebenza avamile. Kunconywa kakhulu ukuthi amakhasimende athathe izinyathelo zokukhipha ukushisa ukuze aqinisekise ukuthi izinga lokushisa elivamile lokusebenza lemojula alikwazi ukudlula.

Imodi yokusebenza
5.3.1. Incazelo Yemodi Yokusebenza
Ithebula elingezansi lifingqa izindlela ezihlukene zokusebenza zomkhiqizo we-SIM7672X. www.simcom.com

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I-SIM7672X Series Hardware Design_V1.02

Ithebula 54: Imodi yokusebenza Incazelo

Imodi
Ukusebenza okuvamile

Ukulala kwe-LTE
Ukudluliswa kwedatha ye-LTE Idle LTE

Imodi yokusebenza encane

I-Flight mode

Imodi ye-PSM

Vala amandla

Umsebenzi
NGOMyalo othi “AT+CSCLK=1” ingasetshenziswa ukusetha imojuli kumodi yokulala. Kulokhu, ukusetshenziswa kwamanje kwemojula kuzokwehliswa kuye ezingeni elincane futhi imojuli isengathola umlayezo wokupheja kanye ne-SMS. Isoftware iyasebenza. Imojula ibhaliswe kunethiwekhi, futhi imojula isilungele ukuxhumana. Kukhona ukudluliswa kwedatha okuqhubekayo. Kulokhu, ukusetshenziswa kwamandla kuhlobene nezilungiselelo zenethiwekhi (isb, izinga lokulawula amandla); amanani edatha ye-uplink/downlink, njll. KUMyalo othi `AT+CFUN=0 AT+CSCLK=1′ ungasetshenziswa ukusetha imojuli ibe yimodi yokusebenza encane ngaphandle kokukhipha amandla. Kule modi, ingxenye ye-RF yemojuli ngeke isebenze futhi ikhadi le-USIM ngeke lifinyeleleke, kodwa imbobo ye-serial kanye nembobo ye-USB kusafinyeleleka. Ukusetshenziswa kwamandla kule modi kungaphansi kunemodi evamile. NGOMyalo othi `AT+CFUN=4′ ingasetshenziswa ukusetha imojuli ibe yimodi yendiza ngaphandle kokukhipha ugesi. Kule modi, ingxenye ye-RF yemojuli ngeke isebenze, kodwa imbobo ye-serial kanye nembobo ye-USB zisafinyeleleka. Ukusetshenziswa kwamandla kule modi kungaphansi kunemodi evamile. Ngomyalo othi `AT+CPSMS' ingasetshenziswa ukusetha imojuli ibe yimodi ye-PSM ngaphandle kokukhipha ugesi. Kule modi, i-CPU ivaliwe, iwashi lewashi kuphela elingaphakathi kwemojuli esebenzayo, inethiwekhi ayixhunyiwe, futhi imbobo ye-serial ne-USB akutholakali. Kulokhu, ukusetshenziswa kwamandla kwemojula kuncishisiwe kube kuncane. Imojula izongena kumodi yokucisha amandla ngokuthumela umyalo we-AT `AT+CPOF' noma udilize iphinikhodi ye-PWRKEY, ngokuvamile. Kule modi iyunithi yokuphatha amandla ivala ukunikezwa kwamandla, futhi isofthiwe ayisebenzi. Imbobo ye-serial ne-USB akufinyeleleki.

5.3.2. Imodi yokulala

Kumodi yokulala, ukusetshenziswa kwamanje kwemojuli kuzokwehliswa kube sezingeni elincane. Kokubili izingxenyekazi zekhompyutha nesofthiwe kufanele zihlangabezane nezimo ezimbalwa ngesikhathi esisodwa ukuze i-SIM7672X ingene kumodi yokulala: Isimo se-USB: Thumela `AT+CCLK=1′ futhi ukhiphe i-USB. Isimo sesofthiwe: Isofthiwe kufanele isekele ukucushwa kwemodi yokulala. Isimo se-UART: Thumela `AT+CSCLK=1′.

www.simcom.com

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I-SIM7672X Series Hardware Design_V1.02
QAPHELA
Ngaphambi kokuklama, sicela unake ukuthi uwubona kanjani umsebenzi wokulala/ukuvuka futhi ubhekisele kudokhumenti [24] ukuze uthole imininingwane eyengeziwe.

5.3.3. Imodi encane yokusebenza ne-Flight mode
Imodi encane yokusetshenziswa kwamandla imisa umsebenzi omningi Wemojuli, ukuze imojuli ingene emodini yokusetshenziswa kwamandla okuncane, ihadiwe elandelayo nezimo zesofthiwe kufanele zilandelwe:
(1) Imojula ikumodi evamile. (2) Thumela i-AT umyalo “AT+CFUN=0”. (3) Thumela i-AT umyalo “AT+CSCLK=1”. (4) Iphinikhodi ye-DTR yadonselwa ezingeni eliphezulu futhi i-VBUS yadonselwa ezingeni eliphansi.
Le modi isethwe umyalo we-AT ohlinzeka ngokukhethwa kwamazinga okusebenza.
AT+CFUN=0: Ukusebenza okuncane AT+CFUN=1: Ukusebenza okugcwele (Okuzenzakalelayo) AT+CFUN=4: I-Flight mode
Uma i-SIM7672X isethelwe kumodi yokusebenza encane, umsebenzi we-RF nomsebenzi wekhadi le-SIM izovalwa. Kulokhu, imbobo ye-serial ne-USB kusafinyeleleka, kodwa umsebenzi we-RF nekhadi le-SIM ngeke litholakale. Uma i-SIM7672X isethelwe ku-flight mode, umsebenzi we-RF uzovalwa. Kulokhu, imbobo ye-serial ne-USB kusafinyeleleka, kodwa umsebenzi we-RF ngeke utholakale. Uma i-SIM7672X isesimeni esincane sokusebenza noma sokundiza, ingabuyela ekusebenzeni okugcwele ngomyalo we-AT “AT+CFUN=1”.

5.3.4. Imodi ye-PSM

Imodi ye-PSM ingasethwa ngokuthi “AT+CPSMS”, futhi inganciphisa ukusetshenziswa kwamanje.

Imojula ekuqaleni isesimweni sokuxhuma se-RRC, futhi izongena kumodi yokungenzi lutho ngemva kokunqamula i-RRC Connect ngokuthi “qeda ucingo”, kuyilapho isibali sikhathi esingu-T3324/T3412 siqala isikhathi. Ngemva kokuphelelwa yisikhathi kwe-timer T3324, imojula ingena kumodi ye-PSM. Imojula izovuka ngokuzenzakalelayo ngemva kokuphelelwa yisikhathi kwe-timer T3412, futhi izongena kumodi ye-TAU. Umyalo we-AT wokungena kumodi ye-PSM umi kanje: AT$QCPMUCFG=1,4 //Setha imodi yokulala okujulile ye-PMU AT$QCPSMR=1 //Vula i-PSM yokubika i-URC AT+CEREG?

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I-SIM7672X Series Hardware Design_V1.02
AT+CPSMS=1,,,”01011111″,”00000001″ //Vumela Imodi ye-PSM, Setha i-T3412_ext kanye ne-T3324 AT+CEREG? //Buza isimo senethiwekhi
Ngemva kokufaka imodi ye-PSM, imojuli izonqamula uxhumano lwenethiwekhi, futhi ayikwazi ukuphendula izicelo. Amakhasimende angathumela umyalo we-AT lapho isibali sikhathi esingu-T3412 siphelelwa yisikhathi noma sidonsa phansi i-PWRKEY ukuze sivuse imojuli. Imojuli izophuma kumodi ye-PSM ngokuthi “AT+CPSMS=0”.

Ukusetshenziswa Kwamanje

Ukusetshenziswa kwamanje kubhalwe kuthebula elingezansi. Ithebula 55: Ukusetshenziswa kwamanje kumaphini we-VBAT (VBAT=3.8V)

Imodi yokulala/engenzi lutho ye-LTE
I-LTE supply current (i-GNSS ivaliwe, ngaphandle koxhumano lwe-USB)
Imodi ye-PSM
I-PSM inikeza okwamanje
Imodi yokusebenza encane
AT+CFUN=0, AT+CSCLK=1
I-LTE Cat1
I-LTE-FDD B1 LTE-FDD B2 LTE-FDD B3 LTE-FDD B4 LTE-FDD B5 LTE-FDD B7 LTE-FDD B8 LTE-FDD B12 LTE-FDD B13 LTE-FDD B18 LTE-FDD B19 LTE-FDD B20 LTE- I-FDD B25 LTE-FDD B26 LTE-FDD B28 I-LTE-FDD B66 LTE-FDD B71

Imodi yokungenzi lutho Okuvamile: 4.13mA Imodi yokulala@DRX=0.32S Okujwayelekile: 1.5mA Imodi yokulala@DRX=0.64S Okujwayelekile: 729uA Imodi yokulala@DRX=1.28S Okujwayelekile: 477uA

Imodi ye-PSM Okuvamile: 10uA

Okujwayelekile: 139uA (nge-simcard) Okujwayelekile: 148uA (ngaphandle kwe-simcard)

@10MHz 23dBm @10MHz 23dBm @10MHz 23dBm @10MHz 23dBm @10MHz 23dBm @10MHz 23dBm @10MHz 23dBm @10MHz 23dBm @10MHz 23dBm @10MHz 23MHz @10MHz 23MHz 10dBm @23MHz 10dBm @23MHz 10dBm @23MHz 10dBm @23MHz 10dBm @23MHz 10dBm

Okujwayelekile :618mA Okujwayelekile :656mA Okujwayelekile :611mA Okujwayelekile :613mA Okujwayelekile :546mA Okujwayelekile :668mA Okujwayelekile :510mA Okujwayelekile :580mA Okujwayelekile :540mA Okujwayelekile :600mA Okujwayelekile :514mA Okujwayelekile :536mA646 :569 Okujwayelekile :505mA Okujwayelekile :658mA Okujwayelekile :550mA Okujwayelekile :XNUMXmA

www.simcom.com

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I-SIM7672X Series Hardware Design_V1.02

I-LTE-TDD B34 LTE-TDD B38 LTE-TDD B39 LTE-TDD B40 LTE-TDD B41

@10MHz 23dBm @10MHz 23dBm @10MHz 23dBm @10MHz 23dBm @10MHz 23dBm

Okujwayelekile :475mA Okujwayelekile :470mA Okujwayelekile :497mA Okujwayelekile :639mA Okujwayelekile :463mA

Ithebula 56: Ukusetshenziswa kwamanje kwe-Standalone GNSS kumaphini we-VBAT (VBAT=3.8V, CAT1 OFF)

Imodi
I-GPS (L1)
I-GPS (L1) +GLONASS
I-GPS (L1) +BEIDOU
Inethiwekhi yangempela esebenzayo i-antenna GPS (L1) +GALILEO+BEIDOU Inethiwekhi yangempela ye-passive antenna GPS (L1) +GALILEO+BEIDOU

Isimo
-130dBm/Tracking -145dBm/Tracking -130dBm/Cold start -145dBm/Cold start Ukulahlekelwa ingidi -130dBm/Tracking -145dBm/Tracking -130dBm/Isiqalo esibandayo -145dBm/Isiqalo esibandayo Ukulahleka kwe-130mTrackd/145 -130dBm/Isiqalo esibandayo -145dBm/Isiqalo esibandayo Ukulahlekelwa ingidi Ukusesha kwangaphandle Ukuthola Ukulahlekelwa yingidi Ukusesha kwangaphandle Ukuthola Ukulahleka kwengidi

Okujwayelekile (mA)
7.40 7.32 9.79 9.69 8.87 8.73 8.71 11.09 9.88 9.70 10.31 10.14 10.60 10.89 9.96 12.23 11.86 12.41 10.32 9.85 10.55

ESD Notes
I-SIM7672X izwela ku-ESD ngesikhathi sokugcinwa, ukuthutha, nokuhlanganisa. Uma i-SIM7672X ifakwe ebhodini likamama lamakhasimende, izingxenye ze-ESD kufanele zibekwe eceleni kwezixhumi umzimba womuntu ongazithinta, njengesibambi se-SIM khadi, ojeke bokulalelwayo, amaswishi, okhiye, njll. Ithebula elilandelayo libonisa ukusebenza kwesilinganiso se-SIM7672X ESD .

www.simcom.com

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I-SIM7672X Series Hardware Design_V1.02

Ithebula 57: Ithebula lokulinganisa ukusebenza kwe-ESD (Izinga lokushisa: 25, Umswakamo: 45%)

Ingxenye
I-VBAT, GND Antenna port USB interface UART UART Amanye ama-PAD

Ukukhishwa kokuxhumana
+/-4K +/-4K +/-4K +/-3K +/-1K

Ukukhishwa komoya
+/-8K +/-8K +/-6K +/-6K +/-2K

QAPHELA
Izimo zokuhlola: Ingaphandle lemojuli inama-diode okuvikela ukukhuphuka kanye nama-diode okuvikela e-ESD. Idatha ekuthebula elingenhla ihlolwe kusetshenziswa i-SIMCom EVB.

www.simcom.com

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I-SIM7672X Series Hardware Design_V1.02

Umhlahlandlela Wokukhiqiza we-SMT

Phezulu naphansi View kwe-SIM7672X

QAPHELA

Umfanekiso 32: Phezulu naphansi view kwe-SIM7672X

Okungenhla umdwebo womphumela wokuklama wemojula ukuze uthole ireferensi. Ukubukeka kwangempela kungaphansi komkhiqizo wangempela.

www.simcom.com

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Imininingwane Yelebula

I-SIM7672X Series Hardware Design_V1.02

Umfanekiso 33: Imininingwane yelebula ye-SIM7672X

Ithebula 58: Incazelo yolwazi ngelebula

Cha.

Incazelo

Igama lephrojekthi

Inombolo yengxenye

Inombolo yomkhiqizo

Inombolo ye-IMEI

Ikhodi ye-QR

I-SMT Reflow Pro ejwayelekilefile
Kunconywa ukuhola mahhala. Ngesikhathi sokuhlolwa kwezinga lokushisa kwesithando somlilo, iphoyinti lokuhlola le-thermocouple kufanele lixhunywe endaweni yemojuli ukuze kuqinisekiswe ukuthi isikhundla semojula sifinyelela izinga lokushisa elidingekayo. Izinga lokushisa elinconyiwe lesithando somlilofile (ukugeleza kabusha kwe-SMT okungakhokhelwa) kungokulandelayo:

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I-SIM7672X Series Hardware Design_V1.02

Umfanekiso 34: Ijika lokushisa elituswayo lokugeleza kabusha kwesithando somlilo (elingenawo umthofu)

Ithebula 59: Izidingo zejika lokushisa lebhodi elikhulu le-reflux (elingenawo umthofu)

Ibanga lokushisa
Indawo yokushisa ngaphambi (izinga lokushisa ~150 ) T1(150~180) T2(180-220) T3(220) Indawo Yokupholisa

Isikhathi
NA 60-120S 15-20S 40-60S NA

Ipharamitha ebalulekile
Ukwenyuka kwezinga lokushisa 1~2/S / / Izinga lokushisa eliphakeme 240~245 Umthambeka wokupholisa -2~-5/S

QAPHELA
Izikhathi eziphezulu zokuguquguquka kwemojuli kanye. Inqubo enconyiwe engaholeli. Kuthebula elingenhla, indawo yokuhlola izinga lokushisa ihlanganisa imaski ye-solder yemojula ye-MCU yamaphini, izikhonkwane ezingezansi ze-LGA, nezikhonkwane zangaphandle ze-LCC. Izinga lokushisa langempela le-welding lithinteka ezinye izici zangaphandle, njengokukhona kwabathwali besithando somlilo, ukunamathisela kwe-solder, ubukhulu nobukhulu be-substrate, nokumelana nengxenye. Izidingo ezishisayo kanye nomklamo wephaneli, njll. Sicela uqinisekise ngobunjiniyela bethu nabasebenzi bethu bezobuchwepheshe kusenesikhathi uma imingcele enconyiwe ingenakufinyelelwa. Uma kungenjalo, imojuli ingase yonakale. Emabhodini anogqinsi olungaphansi kuka-1.2mm, kunconywa ukusebenzisa ibhodi elisekelwa umthwali wesithando somlilo noma izinto ezine-Tg ephezulu ukuvikela ukulwa ne-PCB lapho kushisa. I-Deformation, ngaleyo ndlela ithinte i-module welding. Kumamojula amakhulu kuno-35.0 mm * 35.0 mm kanye nemikhiqizo ye-5G, kunconywa ukusebenzisa isithwali somlilo ukuze sidlule esithandweni ukuze kuncishiswe imbangela yepuleti eliphansi kanye nesikhunta. Ngenxa yomehluko wenani le-Tg le-block, isenzakalo sokucindezeleka okushisayo okungalinganisiwe sivela enqubweni yokushisa okuphezulu kwe-welding reflow, okuholela esilinganisweni sesici sokushisela okubonakalayo kanye ne-tin encane.

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I-SIM7672X Series Hardware Design_V1.02
Ngemuva kokuthi i-module ishiselwe, izindlela zokuhlola i-X-ray kanye ne-optical zizosetshenziswa ukuhlola ikhwalithi yokushisela. Ngamazinga athile, sicela ubhekisele kumazinga afanelekile e-IPC-A-610H. Ukuze uthole ulwazi olwengeziwe mayelana nokuthunyelwa nokukhiqiza, sicela ubheke Umhlahlandlela Womsebenzisi Wenqubo Yesibili ye-SMT. Ngenxa yobunkimbinkimbi benqubo ye-SMT, uma kuba nokungaqiniseki noma izinqubo ezingashiwongo kulo mbhalo (njengokukhetha amagagasi e-wave soldering, ukushisela nge-ultrasonic), sicela uthinte ithimba labasekeli be-SIMCom ngaphambi kokuba inqubo ye-SMT iqale.

Izinga Lokuzwela Komswakama (MSL)

Amamojula athunyelwa ngezikhwama zesikhwama se-aluminium foil evalwe nge-vacuum evalwe nge-vacuum, iphakheji ye-vacuum ngokusho kwe-IPC/JEDEC ejwayelekile ye-J-STD-020C Izimo ezinconyiwe zokugcina: Izinga lokushisa ngu-23 ± 5, futhi umswakama ohlobene ngu-35% kuya ku-60%. Isikhathi sokulondoloza (i-vacuum evalekile): Ngaphansi kwezimo zokulondoloza ezinconyiwe, isikhathi sokulondoloza yizinyanga eziyi-12. Imojula ihlangabezana neleveli 3 yokuzwela komswakamo, futhi isikhathi sokulondoloza ngemva kokuqaqa siboniswa kuthebula elingezansi. Impilo yaphansi engaphandle kwesikhwama semojuli ene-MSL-3 amahora angu-168. Uma izinga lokushisa le-workshop liku-23±5 futhi umswakama ohlobene ungaphansi kuka-60%, imojuli idinga ukuthululwa phakathi kwamahora angu-168 okukhiqizwa kwe-reflux noma okunye ukusebenza kwezinga lokushisa eliphezulu. Uma kungenjalo, imojuli izogcinwa endaweni enomswakama ohlobene ngaphansi kuka-10% (ngokwesiboneloample, ikhabethe elivikela umswakama) ukugcina umkhiqizo womile.

Ithebula 60: Izinga Lokuzwela Umswakama

I-MSL
1 2 2a 3 4 5 5a
6

Impilo yaphansi engaphandle kwesikhwama

Phawula

Okungenamkhawulo

+ 30/85% RH

1 unyaka

4 amasonto

Amahora angu-168 amahora angu-72

+ 30/60% RH

48 amahora

24 amahora

Ukubhaka okuphoqelekile ngaphambi kokusetshenziswa. Ngemva kokubhaka, kufanele igcwaliswe kabusha ngaphakathi komkhawulo wesikhathi oshiwo kulebula.

Ngaphambi kokusebenzisa, kuyadingeka ukuqinisekisa ukuthi iphakheji isesimweni esihle. Ngemva kokuqaqa, hlola isimo sekhadi lenkomba yokuswakama esikhwameni sevacuum (Umfanekiso 36). Imojula idinga ukubhakwa ngaphambi kokusetshenziswa uma kwenzeka noma iyiphi yalezi zimo ezilandelayo.

Ikhadi lenkomba yokuswakama kwencazelo: 30%, 40%, kanye no-50% wanoma yimuphi umbuthano wenkomba unokushintsha umbala

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I-SIM7672X Series Hardware Design_V1.02
Imojuli ayipakishwanga futhi imojuli yeqa izinga lokuzwela ukuswakama elihambisana nesikhathi esiveziwe seshabhu. Okwesiboneloample, MSL=3 inama-168. IpakishiweKodwa Impilo Yeshelufu idlula izinyanga eziyi-12 Idlula Impilo Yaphansi Ayikwazi ukulandelela nokunquma isimo semojula;

Umfanekiso 35: Ikhadi lomswakamo
Izimo ezilandelayo nazo zidinga ukubhakwa kusengaphambili. Izinga lokushisa lokulondoloza kanye nomswakama akuhlangabezani nezimo ezinconyiwe zokugcina. Ukuvuza kwesikhwama esivalwe nge-vacuum, izinto eziningi ezisetshenziswayo Ngaphambi kokulungisa imojuli. Ngemva kokuqaqa, imojuli yehlulekile ukuqedela ukukhiqiza noma isitoreji ngaphansi kokulawulwa kwezinga elingu-3 elizwela umswakama.

Izidingo Zokubhaka

Uma ukubhaka kuyadingeka, qhubeka ngokwezidingo ezisethebulani elingezansi. Ngokukhethekile khetha ihhavini eligcwele i-nitrogen.

Ithebula 61: Izidingo zokubhaka zemojuli

Izimo zokubhaka
120±5, <5% RH

Isikhathi sokubhaka
8 amahora

Phawula
Ayisebenzi kumaphalethi oqobo wokupakisha

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I-SIM7672X Series Hardware Design_V1.02
QAPHELA
Ukuze uvimbele futhi unciphise ukuvela kokushisela okungalungile okubangelwa umswakama, njengokugwaza kanye ne-delamination, imodyuli kufanele ilawulwe ngokuqinile. Akunconywa ukudalula imodyuli emoyeni isikhathi eside ngemuva kokukhipha iphakethe le-vacuum Ngaphambi kokubhaka, kuyadingeka ukususa imodyuli ephaketheni bese ubeka imodyuli engenalutho kudivayisi ekwazi ukumelana nokushisa okuphezulu ukugwema ukulimala okuphezulu ithreyi lepulasitiki noma ikhoyili; Amamojula okubhaka okwesibili kufanele ashiselwe kungakapheli amahora angama-24 ngemuva kokubhaka, ngaphandle kwalokho adinga ukugcinwa ku-vacuum package noma kuhhavini owomisa. Sicela unake ukuvikelwa kwe-ESD lapho ukhipha futhi ubeka amamojula, njengokugqoka amagilavu e-antistatic.

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I-SIM7672X Series Hardware Design_V1.02
7. Ukupakisha
I-SIM7672X module ukwesekwa kwethreyi ukupakisha.

Umdwebo wemojuli yethreyi:

Umfanekiso 36: Umdwebo wokupakisha

Ithebula 62: Usayizi wethreyi
Ubude (±3mm)
242.0
www.simcom.com

Umfanekiso 37: Umdwebo wethreyi
Ububanzi (±3mm)
161.0

Inombolo yemojuli
20
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Umdwebo webhokisi elincane:

I-SIM7672X Series Hardware Design_V1.02

Umfanekiso 38: Umdwebo wamabhokisi amancane

Ithebula 63: Usayizi weKhathoni elincane

Ubude (±10mm)
270

Ububanzi (±10mm)
180

Ubude (±10mm)
120

Umdwebo webhokisi elikhulu:

Inombolo yemojuli
20*20=400

Umfanekiso 39: Umdwebo webhokisi elikhulu

Ithebula 64: Usayizi Webhokisi Elikhulu

Ubude (±10mm)
380

Ububanzi (±10mm)
280

Ubude (±10mm)
280

Inombolo yemojuli
400*4=1600

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Isithasiselo

Izikimu Zokufaka Ikhodi kanye Nezilinganiso Eziningi Zedatha Yensalela nge-Air Interface

Ithebula 65: Izikimu Zokufaka Ikhodi kanye Nezilinganiso Eziningi Zengqikithi Yedatha Ngokusebenzisa Isixhumi Esibonakalayo Somoya

Isigaba sedivayisi ye-LTE-FDD (Downlink)
Isigaba M1
Isigaba sedivayisi ye-LTE-FDD (Uplink)
Isigaba M1

Izinga ledatha eliphezulu (ukuphakama)
1Mbps
Izinga ledatha eliphezulu (ukuphakama)
375kbps

Uhlobo lokuguquguquka
I-QPSK/16QAM
Uhlobo lokuguquguquka
I-QPSK/16QAM

Imibhalo Ehlobene

Ithebula 66: Imibhalo Ehlobene

CHA. Isihloko
I-SIM7672X & SIM7652X _Series_ AT_Command [1] _Manual_V1.00 [2] I-ITU-T Esalungiswa yokuncoma entshaV.25ter [3] GSM 07.07 [4] GSM 07.10
[5] GSM 07.05
[6] GSM 11.14

Incazelo
Kwi-Manual Command
Ukudayela okuzenzakalelayo kwe-serial asynchronous nokulawula ukuxhumana kwamaselula edijithali (Isigaba 2+); Umyalo we-AT usethelwe I-GSM Mobile Equipment (ME) Ukusekela iphrothokholi ye-GSM 07.10 multiplexing Ukuxhumana kwamaselula edijithali (Isigaba 2+); Ukusetshenziswa Kwezisetshenziswa Zedatha Yezisetshenziswa Zedatha Yesifunda sokunqamula Izisetshenziswa (i-DTE DCE) isixhumi esibonakalayo Sesevisi Yemiyalezo Emifushane (i-SMS) kanye Nesevisi Yokusakaza Ngomakhalekhukhwini (CBS) Uhlelo lweDigital lwezokuxhumana lwamaselula (Isigaba 2+); Ukucaciswa kwe-SIM

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[7] GSM 11.11 [8] GSM 03.38 [9] GSM 11.10 [10] 3GPP TS 51.010-1 [11] 3GPP TS 34.124 [12] 3GPP TS 34.121 [13] 3GPP34.123 TS1 TS 14-3
[15] EN 301 908-02 V2.2.1
[16] EN 301 489-24 V1.2.1
www.simcom.com

I-SIM7672X Series Hardware Design_V1.02
Ikhithi Yamathuluzi Yokufaka Isicelo Yesixhumi esibonakalayo Semojula Ye-Identity Yokubhalisela (i-SIM ME) Isistimu yezokuxhumana yeselula yedijithali (Isigaba 2+); Ukucaciswa Kwesixhumi esibonakalayo Se-Subscriber Identity Module Mobile Equipment (SIM ME) Isistimu yezokuxhumana yeselula yedijithali (Isigaba 2+); Ama-alfabhethi nolwazi oluqondene nezilimi Isistimu yezokuxhumana yeselula yedijithali (Isigaba 2); Ukucaciswa kokuhambisana kweSiteshi Esihambayo (MS); Ingxenye 1: Ukucaciswa kokuvumelana Isistimu yezokuxhumana yeselula yedijithali (Ukukhishwa 5); I-Mobile Station (MS) ukuhambisana nokucaciswa kwe-Electromagnetic Compatibility (EMC) yamatheminali eselula kanye nemishini ehambisanayo. I-Electromagnetic Compatibility (EMC) yamatheminali eselula kanye nemishini ehambisanayo. I-Technical Specification Group Network Access Network; Ukucaciswa kokuhambisana kwetheminali; Ukudluliswa komsakazo kanye nokwamukela (i-FDD) Izisetshenziswa Zomsebenzisi (UE); Ingxenye 3: I-Abstract Test Suites. Ukuhambisana kwe-electromagnetic kanye ne-Radio spectrum Matters (ERM); Iziteshi Eziyisisekelo (BS) kanye Nezisetshenziswa Zomsebenzisi (UE) ze-IMT-2000. Amanethiwekhi eselula esizukulwane sesithathu; Ingxenye 2: I-EN Evumelanisiwe ye-IMT-2000, CDMA Direct Spread (UTRA FDD) (UE) ehlanganisa izimfuneko ezibalulekile ze-athikili 3.2 yokuhambelana kwe-R&TTE Directive Electromagnetic and Radio Spectrum Matters (ERM); I-Electromagnetic Compatibility (EMC) indinganiso yemishini yomsakazo nezinsizakalo; Ingxenye 24: Izimo eziqondile ze-IMT-2000 CDMA Direct Spread (UTRA) yomsakazo weselula nophathekayo (UE) kanye nezisetshenziswa ezihambisanayo.
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I-SIM7672X Series Hardware Design_V1.02

[17] IEC/EN60950-1(2001)

Ukuphepha kwemishini yobuchwepheshe bolwazi (2000)

Isistimu yezokuxhumana yamaselula edijithali

[18] 3GPP TS 51.010-1

(Khipha 5); Isiteshi samaselula (MS)

ukucaciswa kokuhambisana

[19] GCF-CC V3.23.1

Iforamu Yezitifiketi Zomhlaba Wonke - Imibandela Yokuqinisekisa

Umyalelo wePhalamende LaseYurophu kanye

woMkhandlu wangomhla zingama-27 kuMasingana wezi-2003 ngo

[20] 2002/95/EC

umkhawulo wokusetshenziswa kwezinto ezithile eziyingozi

izinto zikagesi neze-elekthronikhi

imishini (RoHS)

Umsebenzisi Wenqubo Yesibili Ye-SMT [21] Umhlahlandlela_V1.01

Imihlahlandlela ye-SMT yesibili yemojuli

I-SIM7672X & SIM7652X Series_UART_Application Lo mbhalo uchaza indlela yokusebenzisa i-UART

[22]

Qaphela_V1.00

interface yamamojula we-SIMCom.

Imihlahlandlela yedizayini ye-antenna yomamukeli wokuhlukahluka [23] uhlelo

Imihlahlandlela yokuklama i-antenna yesistimu yokwamukela ukuhlukahluka

[24] I-SIM7672X & SIM7652X Series_Imodi Yokulala_Inothi Lokusebenza_V1.00

Inothi Lesicelo Semodi Yokulala

I-SIM7672X & SIM7652X Series_UIM HOT [25] SWAP_Application Note_V1.00

Lo mbhalo wethula ukutholwa kwekhadi le-UIM kanye nokushintshashintsha okushisayo kwe-UIM.

Imigomo nezifinyezo

Ithebula 67: Imigomo kanye nezifinyezo

Isifinyezo
I-ADC ARP BER BD BTS CS CSD CTS DAC DSP DTE DTR DTX

Incazelo
I-Analog-to-Digital Converter I-Antenna Reference Point Bit Isilinganiso Sephutha I-BeiDou Base Transceiver Coding Scheme Circuit Shintsha Idatha Icacile Ukuze Uthumele I-Digital-to-Analog Converter Isisetshenziswa Sesiginali Yedatha Yesikhungo Setheminali Yedatha (ngokuvamile ikhompuyutha, itheminali, iphrinta) Itheminali Yedatha Ilungele Ukudluliswa Kwedatha Okungaqhubeki.

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I-DAM DPO EFR EGSM EMC ESD ETS FCC FD FDMA FR GMSK GNSS GPRS GPS GSM HR I2C IMEI LTE MO MS MT NMEA PAP PBCCH PCB PCS RF RMS RTC SIM SMS SMPS TDMA TE TX UART VSWR EDGE ZIF

I-SIM7672X Series Hardware Design_V1.02
Imoduli Yesicelo Esilandekayo Ukuthuthukisa Amandla Anamandla Okuthuthukisiwe Okuthuthukisiwe Ukuvumelana Kwe-GSM Electromagnetic Electrostatic Discharge European Telecommunication Standard Federal Communications Commission (US) I-SIM fix ibhuku lefoni lokudayela I-Frequency Division Multiple Finyelela Isilinganiso Esigcwele I-Gaussian Minimum Shift Keying Global Navigation Satellite System Iphakethe Lomsakazo Wesevisi I-Global Posi Izinga Lokuhlanganisa Uhhafu Wesilinganiso Sokuxhumanisa Kweselula I-Circuit International Mobile Equipment Identity Long Term Evolution Mobile Originated Mobile Station (injini ye-GSM), ebuye ibizwe nge-TE Mobile Terminated National Marine Electronics Association Password Authentication Protocol Packet Switched Broadcast Control Channel Uhlelo Lokuphrinta Lwebhodi Lesifunda Lokuxhumana Nomuntu Siqu, olubizwa nangokuthi i-GSM 1900 Radio. I-Frequency Root Mean Square (inani) Iwashi Lesikhathi Sangempela Lokuhlonza Isevisi Yomlayezo Omfishane Wobhalisile Ukunikezwa kwamandla kwemodi eshintshiwe yeSikhathi Sesisetshenziswa Sesitheminali Sokufinyelela Kaningi, esibuye sibizwe nge-DTE Transmit Direction Universal Asynchronous Receiver & Transmitter Vol.tage Isilinganiso Segagasi Esimile Izilinganiso zedatha ezithuthukisiwe ze-GSM evolution Zero frequency intermediate

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I-WCDMA VCTCXO SIM UMTS UART PSM FD LD MC KU-RC SM NC

I-SIM7672X Series Hardware Design_V1.02
I-Wideband Code Division Multiple Access Voltage ilawula izinga lokushisa-isinxephezelo sekristalu oscillator Imojula kamazisi yababhalisele bonke emhlabeni wonke Uhlelo lwezokuxhumana oluhambahambayo jikelele Isidluliseli sendawo yonke esamukelayo esivumelanayo Ukonga amandla Imodi yokonga iSIM ukulungisa ukudayela incwadi yefoni I-SIM yokudayela okokugcina ifonibhuku (uhlu lwezinombolo ezisanda kushayelwa kamuva) Uhlu lwezisetshenziswa zeselula lwamakholi we-MT angaphendulwanga (amakholi angaphendulwanga) I-SIM (noma ME) uhlu lwezinombolo zakho (ama-MSISDN) Uhlu Lwezisetshenziswa Zeselula lwamakholi atholiwe e-SIM Ifonibhuku Ayixhunyiwe

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Isexwayiso Sokuphepha

I-SIM7672X Series Hardware Design_V1.02

Ithebula 68: Isexwayiso Sokuphepha

Amamaki

Izimfuneko
Lapho usesibhedlela noma kwesinye isikhungo sezempilo, bheka imingcele mayelana nokusetshenziswa kwamaselula. Cisha itheminali yeselula noma iselula, okokusebenza kwezokwelapha kungase kuzwele futhi kungasebenzi ngendlela evamile ngenxa yokuphazanyiswa kwamandla e-RF.
Vala itheminali yeselula noma iselula ngaphambi kokugibela indiza. Qiniseka ukuthi ivaliwe. Ukusebenza kwemishini engenantambo endizeni kwenqatshelwe ukuvimbela ukuphazamiseka kwezinhlelo zokuxhumana. Ukukhohlwa ukucabanga okuningi kwale miyalo kungase kube nomthelela ekuphepheni kwendiza, noma kucasule izinyathelo zomthetho zendawo, noma kokubili. Ungasebenzisi itheminali yeselula noma iselula uma kukhona amagesi avuthayo noma intuthu. Cisha itheminali yamaselula uma useduze negalaji likaphethiloli, amadepho kaphethiloli, izimboni zamakhemikhali noma lapho kuqhubeka khona ukuqhuma. Ukusebenza kwanoma yiziphi izinto ezisebenza ngogesi endaweni engase ibe neziqhumane kungaba yingozi yezokuphepha.
Itheminali yakho yeselula ithola futhi idlulise amandla efrikhwensi yomsakazo ngenkathi ivuliwe. Ukuphazamiseka kwe-RF kungenzeka uma isetshenziswa eduze kwamasethi we-TV, imisakazo, amakhompyutha noma ezinye izinto zikagesi.
Ukuphepha emgwaqeni kuza kuqala! Ungayisebenzisi itheminali yeselula ebanjwa ngesandla noma iselula uma ushayela imoto, ngaphandle uma ifakwe ngokuvikelekile kusibambi ukuze isebenze ngaphandle kwezandla. Ngaphambi kokushaya ucingo ngetheminali ephathwa ngesandla noma iselula, misa imoto.
Amatheminali eselula e-GSM noma amaselula asebenza ngamasignali amafrikhwensi omsakazo namanethiwekhi amaselula awakwazi ukuqinisekiswa ukuthi axhumeke kuzo zonke izimo, ikakhulukazi ngemali yeselula noma i-SIM khadi engalungile. Ngenkathi ukulesi simo futhi udinga usizo oluphuthumayo, sicela ukhumbule ukusebenzisa izingcingo eziphuthumayo. Ukuze ushaye noma wamukele izingcingo, itheminali yeselula noma iselula kufanele ivulwe futhi ibe sendaweni yesevisi enamandla esignali yeselula anele. Amanye amanethiwekhi awakuvumeli ukushaya ucingo oluphuthumayo uma amasevisi athile enethiwekhi noma izici zefoni zisetshenziswa (isib. imisebenzi yokukhiya, ukudayela okuhleliwe njll.). Kungase kudingeke ukuthi uvale lezo zici ngaphambi kokwenza ucingo oluphuthumayo. Futhi, amanye amanethiwekhi adinga ukuthi i-SIM khadi evumelekile ifakwe kahle kutheminali yeselula noma kuselula.

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Amadokhumenti / Izinsiza

I-SIMCom SIM7672X Series Hardware Design [pdf] Iziyalezo
I-SIM7672X Series Hardware Design, SIM7672X, Series Hardware Design, Hardware Design, Design

Izithenjwa

Imaniwali yosebenzisayo

I-SIMCom SIM7672X Series Hardware Design

Imininingwane

Imiyalo yokusetshenziswa komkhiqizo

Imibuzo Evame Ukubuzwa

Isingeniso

Isebenza Ngaphezuluview

Ulwazi Lwephakheji

Uhlelo lokusebenza lwe-interface

Imininingwane ye-RF

Imininingwane kagesi

Umhlahlandlela Wokukhiqiza we-SMT

Isithasiselo

Amadokhumenti / Izinsiza

Izithenjwa

Shiya amazwana

Khansela impendulo