UM3098
Imaniwali yosebenzisayo

Ukuqalisa ngokunwetshwa kohlu lwemakrofoni ye-analog yemboni ye-STWIN

Isingeniso

I-STEVAL-STWINMA2 yokwandisa imakrofoni ye-microphone yengeza amakhono athuthukile okuzwa umsindo ku-STEVAL-STWINKT1B (kanye ne-STEVAL-STWINKT1) SensorTile Wireless Industrial Node (STWIN) kit yezinhlelo zokusebenza zokuqapha ukudlidliza kwemvamisa ephezulu.
Ibhodi ihlanganisa amandla amane aphansi, isilinganiso esiphezulu se-signal-to-noise (SNR) IMP23ABSU capacitive sensing microphone, esekelwe ivolumu ephansi kakhulu.tage, amandla athule aphansi, nomsindo ophansitagi-e regulator, ilungele izinhlelo zokusebenza ezisebenza ngebhethri njenge-STWIN.
Ibhodi lokunweba lixhunywe ngesixhumi esizinikele samaphini angu-12 ebhodini lesistimu eliwumgogodla.
Inhlanganisela ye-STWIN ne-STEVAL-STWINMA2 isekelwa ngenxa ye-software exampokunikezwayo ngaphakathi kwephakheji yesofthiwe yokunweba ye-X-CUBE-MEMSMIC1 ye-STM32Cube.
Iphakheji ihlanganisa i-ex eyodwaampidatha yemakrofoni ehamba ngesitimu nge-USB kanye ne-ex eyodwaampI-le of ultrasound condition monitoring (UltrasoundFFT) ebala i-FFT yesignali yemakrofoni ye-analogi bese isakaza umphumela ku-PC GUI nge-USB.
Umbhobho sampisilinganiso se-ling sisethwa ngokuzenzakalelayo sibe ngu-192 kHz kuyilapho umkhawulokudonsa wemakrofoni ufika ku-80 kHz.

Umfanekiso 1. STEVAL-STWINMA2 ibhodi

Izici

• Ukunwetshwa kwe-analogi yemakrofoni ye- I-STEVAL-STWINKT1B (kanye no-STEVAL-STWINKT1)
• Ixhumeka kubhodi yesistimu eyinhloko ye-STWIN ngesixhumi esizinikele samaphini angu-12
• 3 V ukuya ku-5.5 V okokufaka kokunikezwa kwamandla
• Uhlu lwamakrofoni olwehlukile olumise okuyisikwele esingu-4 mm
• Ezine I-IMP23ABSU ukusebenza okuphezulu, okukodwa, i-analog, imibhobho ye-MEMS yechweba elingezansi
• I-LDK130 300 mA low quiescent current low umsindo ophansi kakhulu LDO
• Impendulo yefrikhwensi ye-Ultrasound ifika ku-80 kHz
• Ebhodini le-audio-grade quad ADC
• I-serial audio interface (SAI) okukhiphayo kwedijithali

Izinyathelo zokuphepha zokusetshenziswa

Okubalulekile:
Ibhodi lokuhlola le-STEVAL.STWINMA2 linezinga lokukhishwa kwemisebe Ekilasini A. Mayelana nokuvikeleka, ibhodi aligonyiwe ekukhishweni kwe-electrostatic okungaqondile (ukukhishwa kwe-electrostatic okusetshenziselwa izinto eziseduze nebhodi). Ngesikhathi sokuhlolwa kwe-ESD ibhodi lithole izinga C, okusho ukuthi ibhodi alilimalanga ngesikhathi sokuhlolwa, kodwa lidinga ukungenelela komsebenzisi ukuze lisethe kabusha. Uma ukukhishwa kwe-electrostatic kusetshenziswa entweni eseduze, kuba nengozi yokuthi ibhodi liphazamise ukusebenza kwalo, futhi kulokhu ukungenelela komsebenzisi kuyadingeka ukuze usethe kabusha ibhodi, okusho ukuthi khipha ipulaki futhi uphinde uxhume idivayisi.
Okubalulekile:
Le kit ayivikelekile ekukhishweni kwe-electrostatic okungaqondile. Ngesikhathi sokuhlolwa kwe-ESD, ikhithi ithole izinga C. Lokhu kusho ukuthi ibhodi lokunweba alilimalanga ngesikhathi sokuhlolwa, kodwa ukungenelela komsebenzisi kwakudingeka ukuze kusethwe kabusha. Uma ukukhishwa kwe-electrostatic kusetshenziswa entweni eseduze, ibhodi lingase liphazamise ukusebenza kwalo. Kulesi simo, ukungenelela komsebenzisi kuyadingeka ukuze usethe kabusha ibhodi (okungukuthi, ukukhipha nokuxhuma kabusha ulayini wokuphakela amandla).

Indlela yokusebenzisa ibhodi

I I-STEVAL-STWINMA2 kufanele isetshenziswe ne I-STEVAL-STWINKT1B (noma i-STEVAL-STWINKT1). Ibhodi kufanele lixhunywe phezu kwebhodi lesistimu ye-STWIN engumongo, kusetshenziswa isixhumi se-CN4, njengoba kukhonjisiwe ngezansi.

Umfanekiso 2. STWIN core system board

Ukuma kwesixhumi kwenza kube nzima ukuxhuma ibhodi ngomumo ongalungile (bona isithombe esingezansi).
Umfanekiso 3. STWIN core system board kanye ne-STEVAL-STWINMA2 (noma i-STEVAL-STWINMAV1)Ama-firmware amathathu examples ezikuvumela ukuthi uhlole ibhodi lentuthuko ingatholakala ku- X-CUBEMEMSMIC1 iphakheji:

• I-AMicArray_Microphones_Streaming: ukutholwa kombhobho nokusakaza nge-USB
• I-AMicArray_Acoustic_SL: uhlelo lokusebenza lomthombo womsindo wesikhathi sangempela lisebenzisa amasiginali amane atholwe kusetshenziswa imakrofoni yedijithali ye-MEMS kanye ne-AcousticSL middleware ukulinganisa indawo yokufika yomthombo womsindo.
• I-AMicArray_UltrasoundFFT: uhlelo lokusebenza lokuqapha isimo se-ultrasound esibala i-FFT yesignali yemakrofoni ye-analog bese isakaza umphumela ku-PC GUI nge-USB

Bukela ku I-X-CUBE-MEMSMIC1 imibhalo ukuze uthole imininingwane eyengeziwe kuphakheji ye-firmware.

Imidwebo yohlelo

Umfanekiso 4. STEVAL-STWINMA2 schematic – Mics, VDD and connectorUmfanekiso 5. STEVAL-STWINMA2 schematic - ADC

Umthethosivivinywa wezinto zokwakha

Into	Q.ty	Ref.	Ingxenye/inani	Incazelo	Umkhiqizi	Ikhodi ye-oda
1	1	CN1	I-M55-7001242R, CN1	I-M55 series 12 pin connector	Harwin	I-M55-7001242R
2	1	C1	39nF, C_0402, 10%	I-CAP CER 39nF 10V X5R 0402	Vishay	I-VJ0402Y393KXQCW1BC
3	18	C2, C3, C4, C5, C6, C9, C10, C11, C12, C13, C15, C16, C17, C18, C20, C23, C25, C27	100nF, C_0402, 10%	I-CAP CER 0.1UF 16V X7R 0402	I-Wurth Elektronik	WE 885012205037
4	3	C7, C14, C19	10uF, C_0402, 20%	I-CAP CER 10UF 10V X5R 0402	I-Samsung Electro- Mechanics America, Inc.	I-CL05A106MP8NUB8
5	1	C8	2200pF, C_0402, 20%	I-CAP CER 2200PF 10V X5R 0402	Yageo	I-AC0402KRX7R7BB222
6	6	C21, C22, C24, C26, C28, C29	1uF, C_0402, 10%	I-CAP CER 1UF 10V X5R 0402	I-Wurth Elektronik	WE 885012105012
7	4	M1, M2, M3, M4	I-IMP23ABSUTR, RHLGA 2.65X3.5X1.08( MAX)MM 4L	Imakrofoni yembobo ye-analogi ephansi enempendulo yemvamisa efika ku-80 kHz yokuhlaziywa kwe-ultrasound nezinhlelo zokusebenza zokulungisa ezibikezelayo	ST	I-IMP23ABSUTR
8	1	R1	4.87k, R_0402,1%	I-RES SMD 4.87K OHM 1% 1/16W 0402	Yageo	I-RC0402FR-074K87L
9	1	R2	3k, R_0402, 1%	I-RES SMD 3K OHM 1% 1/16W 0402	Yageo	I-RC0402FR-073KL
11	1	R6	39k, R_0402, 1%	I-RES SMD 39K OHM 1% 1/16W 0402	Ukuxhumana kwe-TE	I-CRGCQ0402F39K
12	1	R7	110k, R_0402, 1%	I-RES SMD 110K OHM 1% 1/16W 0402	Ukuxhumana kwe-TE	I-CRG0402F110K
13	2	SB1,SB4	NC, R_0402	I-RES SMD 0 OHM 0402 (ayifakiwe)	Vishay Dale	I-CRCW04020000Z0ED
14	3	SB2, SB3, SB5	0R, R_0402	I-RES SMD 0 OHM 0402	Vishay Dale	I-CRCW04020000Z0ED
15	1	U1	I-ADAU1978, LFCSP-40	I-PCM1864 ADC	AD	I-ADAU1978
16	1	U2	I-LDK130M-R, SOT323-5L	300 mA low quiescent current low umsindo ophansi kakhulu LDO	ST	I-LDK130M-R

Izinguqulo zebhodi

Ithebula 2. STEVAL-STWINMA2 izinguqulo

Inguqulo ye-PCB	Imidwebo yohlelo	Umthethosivivinywa wezinto zokwakha
STEVAL$STWINMA2A (1)	STEVAL$STWINMA2A imidwebo yeskimu	STEVAL$STWINMA2A ibhili yezinto zokwakha

1. Le khodi ikhomba inguqulo yokuqala yebhodi lokuhlola le-SSTEVAL-STWINMA2. Iphrintwe ebhodini le-PCB.

Ulwazi lokuthobela imithetho

Isaziso se-US Federal Communication Commission (FCC)
Okokuhlola kuphela; ayigunyaziwe i-FCC ukuthi ithengiswe kabusha
I-FCC ISAZISO - Le kit yakhelwe ukuvumela:

1. Abathuthukisi bomkhiqizo bazohlola izingxenye ze-elekthronikhi, izifunda, noma isofthiwe ehlotshaniswa nekhithi ukuze banqume ukuthi bazifake yini izinto ezinjalo emkhiqizweni osuphelile futhi
2. Abathuthukisi be-software ukubhala izinhlelo zokusebenza zesofthiwe ukuze zisetshenziswe nomkhiqizo wokugcina.

Le khithi akuwona umkhiqizo oqediwe futhi uma isihlanganisiwe akumele ithengiswe kabusha noma imakethwe ngaphandle uma kutholwe konke ukugunyazwa kwempahla ye-FCC. Ukusebenza kungaphansi kwesimo sokuthi lo mkhiqizo ungabangeli ukuphazamiseka okuyingozi eziteshini zomsakazo ezinelayisensi nokuthi lo mkhiqizo wamukele ukuphazamiseka okuyingozi. Ngaphandle uma ikhithi ehlanganisiwe iklanyelwe ukusebenza ngaphansi kwengxenye 15, ingxenye 18 noma ingxenye 95 yalesi sahluko, isisebenzisi sekhithi kufanele sisebenze ngaphansi kwegunya lomnikazi welayisensi ye-FCC noma kufanele aqinisekise ukugunyazwa kokuhlolwa ngaphansi kwengxenye 5 yalesi sahluko 3.1.2. XNUMX
Isaziso Sokusungula, Isayensi Nokuthuthukiswa Komnotho e-Canada (IED)
Ngezinjongo zokuhlola kuphela. Le khithi ikhiqiza, isebenzisa, futhi ingasakaza amandla efrikhwensi yomsakazo futhi ayizange ihlolelwe ukuhambisana nemikhawulo yamadivayisi ekhompyutha ngokulandela imithetho ye-Industrial Canada (IC).
Isaziso se-European Union
Le divayisi ihambisana nezidingo ezibalulekile ze-Directive 2014/30/EU (EMC) kanye ne-Directive 2015/863/EU (RoHS).
Isaziso sase-United Kingdom
Le divayisi ithobelana ne-UK Electromagnetic Compatibility Regulations 2016 (UK SI 2016 No. 1091) kanye Nomkhawulo Wokusetshenziswa Kwezinto Ezithile Eziyingozi Kumithetho Yezinto Zisetshenziswa Zikagesi kanye Nezogesi 2012 (UK SI 2012 No. 3032).

Umlando wokubuyekeza

Ithebula 3. Umlando wokubuyekeza idokhumenti

Usuku	Buyekeza	Izinguquko
11-May-2023	1	Ukukhishwa kokuqala.

ISAZISO ESIBALULEKILE – FUNDA NGOKUQAPHELA

I-STMicroelectronics NV nezinkampani ezingaphansi kwayo (“ST”) igodla ilungelo lokwenza izinguquko, ukulungisa, izithuthukisi, ukuguqulwa, nokuthuthukiswa kwemikhiqizo ye-ST kanye/noma kulo mbhalo nganoma yisiphi isikhathi ngaphandle kwesaziso. Abathengi kufanele bathole ulwazi lwakamuva olufanele ngemikhiqizo ye-ST ngaphambi kokufaka ama-oda. Imikhiqizo ye-ST ithengiswa ngokulandela imigomo nemibandela ye-ST yokuthengisa ekhona ngesikhathi sokuvunywa kwe-oda.
Abathengi banomthwalo wemfanelo kuphela ekukhetheni, ekukhethweni, nasekusetshenzisweni kwemikhiqizo ye-ST futhi i-ST ayithathi sikweletu sosizo lwesicelo noma idizayini yemikhiqizo yabathengi.
Ayikho ilayisensi, eshiwo noma eshiwoyo, kunoma yiliphi ilungelo lempahla yengqondo elinikezwa i-ST lapha.
Ukudayiswa kabusha kwemikhiqizo ye-ST nezinhlinzeko ezihlukile kulwazi olubekwe lapha kuzovala noma yisiphi isiqinisekiso esinikezwe i-ST salowo mkhiqizo.
Ilogo ye-ST kanye ne-ST yizimpawu zokuthengisa ze-ST. Ukuze uthole ulwazi olwengeziwe mayelana nezimpawu zokuthengisa ze-ST, bheka ku www.st.com/trademarks. Wonke amanye amagama omkhiqizo noma wesevisi ayimpahla yabanikazi abafanele.
Ulwazi olukule dokhumenti luthatha indawo futhi luthatha indawo yolwazi olwalunikezwe ngaphambilini kunoma yiziphi izinguqulo zangaphambili zalo mbhalo.
© 2023 STMicroelectronics – Wonke amalungelo agodliwe

Amadokhumenti / Izinsiza

I-STMicroelectronics UM3098 I-Industrial Analog Microphone Array Expansion ye-STWIN [pdf] Umhlahlandlela Womsebenzisi I-UM3098 Industrial Analog Microphone Array Expansion for STWIN, UM3098, Industrial Analog Microphone Array Expansion for STWIN, Analog Microphone Array Expansion, Microphone Array Expansion, Array Expansion, Ukwandiswa

Izithenjwa

• Imaniwali yosebenzisayo