Ibhodi le-MIKROE STM32F407ZGT6 Multiadapter Prototype Board

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Khetha ukubukeka kwakho
Kuyafana ngemuva, ukukhetha ngaphambili.

• i-mikromedia 5 ye-STM32 Resistive FPI ene-bezel
• i-mikromedia 5 ye-STM32 Resistive FPI enohlaka

i-mikromedia 5 ye-STM32 RESISTIVE FPI ibhodi lokuthuthukisa elihlangene elakhelwe njengesixazululo esiphelele sokuthuthukiswa okusheshayo kwezinhlelo zokusebenza ze-multimedia kanye ne-GUI-centric. Ngokufaka isikrini sokuthinta esinamandla esingu-5” esishayelwa isilawuli sezithombe esinamandla esingabonisa iphalethi yombala engamabhithi angu-24 (imibala eyizigidi ezingu-16.7), kanye nomsindo oshumekwe we-DSP we-CODEC IC, umele isisombululo esiphelele sanoma yiluphi uhlobo lohlelo lokusebenza lwemidiya exubile. .

Emgogodleni wayo, kukhona i-microcontroller enamandla engu-32-bit STM32F407ZGT6 noma i-STM32F746ZGT6 (okubhekiselwa kuyo “njenge-MCU yokusingatha” embhalweni olandelayo), ekhiqizwe i-STMicroelectronics, enikeza amandla okucubungula anele emisebenzi edinga kakhulu, iqinisekisa ukusebenza kwegraphical nokushayisana. -ukukhiqizwa komsindo kwamahhala.

Kodwa-ke, leli bhodi lokuthuthukisa alikhawulelwe ezinhlelweni ezisekelwe ku-multimedia kuphela: i-mikromedia 5 ye-STM32 RESISTIVE FPI (“mikromedia 5 FPI” embhalweni olandelayo) ihlanganisa i-USB, izinketho zokuxhuma i-RF, inzwa yokunyakaza yedijithali, i-piezo-buzzer, ukusebenza kokushaja ibhethri, i-SD -Umfundi wekhadi, i-RTC, nokunye okuningi, ukwandisa ukusetshenziswa kwayo ngale kwe-multimedia. Izixhumi ezintathu zosayizi ohlangene we-mikroBUS Shuttle zimelela isici sokuxhuma esihluke kakhulu, esivumela ukufinyelela kusisekelo esikhulu se-Click boards™, esikhula nsuku zonke.

Ukusebenziseka kwe-mikromedia 5 FPI akugcini ngekhono layo lokusheshisa ukuthuthukiswa kwe-prototyping kanye nesicelo.tages: yakhelwe njengesixazululo esiphelele esingasetshenziswa ngokuqondile kunoma iyiphi iphrojekthi, ngaphandle kokulungiswa okwengeziwe kwehadiwe okudingekayo. Sinikeza izinhlobo ezimbili ze-mikromedia 5 zamabhodi e-STM32 RESISTIVE FPI. Eyokuqala inesibonisi se-TFT esine-bezel esizungezile futhi ilungele amadivayisi aphathwa ngesandla. Enye i-mikromedia 5 yebhodi le-STM32 RESISTIVE FPI inesibonisi se-TFT esinohlaka lwensimbi, nezimbobo ezine zamakhona ezifaka amandla okufakwa okulula ezinhlotsheni ezihlukahlukene zezinto zikagesi zezimboni. Inketho ngayinye ingasetshenziswa kuzixazululo zasekhaya ezihlakaniphile, kanye nephaneli yodonga, izinhlelo zokuphepha nezimoto, i-automation yefekthri, ukulawulwa kwenqubo, ukulinganisa, ukuxilonga nokunye okuningi. Ngazo zombili izinhlobo, i-casing enhle yikho konke okudingayo ukuze uguqule i-mikromedia 5 ye-STM32 RESISTIVE FPI board ibe idizayini esebenza ngokugcwele.

QAPHELA: Leli bhukwana, lilonke, libonisa inketho eyodwa nje ye-mikromedia 5 ye-STM32 RESISTIVE FPI ngezinjongo zemifanekiso. Imanuwali isebenza kuzo zombili izinketho.

Izici ezibalulekile ze-microcontroller

Emgogodleni wayo, i-mikromedia 5 ye-STM32 Resistive FPI isebenzisa i-STM32F407ZGT6 noma i-STM32F746ZGT6 MCU.

I-STM32F407ZGT6 iwumgogodla we-32-bit RISC ARM® Cortex®-M4. Le MCU ikhiqizwa i-STMicroelectronics, ehlanganisa iyunithi yephuzu elintantayo elizinikele (i-FPU), isethi ephelele yemisebenzi ye-DSP, kanye neyunithi yokuvikela inkumbulo (MPU) yokuphepha kohlelo lokusebenza okuphakeme. Phakathi kwama-peripherals amaningi atholakala ku-MCU yokusingatha, izici ezibalulekile zifaka:

• 1 MB yememori ye-Flash
• 192 + 4 KB ye-SRAM (kuhlanganise no-64 KB we-Coupled Memory)
• I-Adaptive real-time accelerator (ART Accelerator™) evumela ukusebenza kwesimo sokulinda okungu-0 kumemori ye-Flash
• Imvamisa yokusebenza ifinyelela ku-168 MHz
• 210 DMIPS / 1.25 DMIPS/MHz (Dhrystone 2.1) Ukuze uthole uhlu oluphelele lwezici ze-MCU, sicela ubheke idatha ye-STM32F407ZGT6.

I-STM32F746ZGT6 iwumgogodla we-32-bit RISC ARM® Cortex®-M7. Le MCU ikhiqizwa i-STMicroelectronics, ehlanganisa iyunithi yephuzu elintantayo elizinikele (i-FPU), isethi ephelele yemisebenzi ye-DSP, kanye neyunithi yokuvikela inkumbulo (MPU) yokuphepha kohlelo lokusebenza okuphakeme. Phakathi kwama-peripherals amaningi atholakala ku-MCU yokusingatha, izici ezibalulekile zifaka:

• 1 MB Imemori ye-Flash
• 320 KB ye-SRAM
• I-Adaptive real-time accelerator (ART Accelerator™) evumela ukusebenza kwesimo sokulinda okungu-0 kumemori ye-Flash
• Imvamisa yokusebenza ifinyelela ku-216 MHz
• 462 DMIPS / 2.14 DMIPS/MHz (Dhrystone 2.1) Ukuze uthole uhlu oluphelele lwezici ze-MCU, sicela ubheke idatha ye-STM32F746ZGT6.

Microcontroller ukuhlela/debugging

I-MCU yokusingatha ingahlelwa futhi ilungiswe phezu kwe-JTAG/ I-SWD ehambisanayo engu-2×5 kanhlokweni kaphini (1), ebhalwe ngokuthi PROG/DEBUG. Lesi sihloko sivumela umhleli wangaphandle (isb. CODEGRIP noma i-mikroProg) ukuthi isetshenziswe. Ukuhlela isilawuli esincane nakho kungenziwa ngokusebenzisa i-bootloader ehlelwe ngaphambili kudivayisi ngokuzenzakalelayo. Yonke imininingwane ngesoftware ye-bootloader ingatholakala ekhasini elilandelayo: www.mikroe.com/mikrobootloader

Setha kabusha i-MCU
Ibhodi lifakwe inkinobho ethi Setha Kabusha (2), etholakala ngemuva kwebhodi. Isetshenziselwa ukukhiqiza ileveli enengqondo EPHANSI kuphinikhodi yokusetha kabusha i-microcontroller.

Iyunithi yokuphakela amandla

Iyunithi yokuphakela amandla (i-PSU) ihlinzeka ngamandla ahlanzekile nalawulwayo, adingekayo ekusebenzeni kahle kwebhodi lokuthuthukisa i-mikromedia 5 FPI. I-MCU engumsingathi, kanye nawo wonke amanye ama-peripherals, ifuna ukuhlinzekwa kukagesi okulawulwayo nokungenamsindo. Ngakho-ke, i-PSU yakhelwe ngokucophelela ukulawula, ukuhlunga, nokusabalalisa amandla kuzo zonke izingxenye ze-mikromedia 5 FPI. Ifakwe okokufaka kokuphakelwa kwamandla okuhlukene okuthathu, okunikeza konke ukuguquguquka okudingwa yi-mikromedia 5 FPI, ikakhulukazi uma isetshenziswa enkundleni noma njengento ehlanganisiwe yesistimu enkulu. Esimeni lapho kusetshenziswa imithombo eminingi yamandla, isifunda sokushintsha amandla esizenzakalelayo esinezinto ezibalulekile ezichazwe ngaphambilini siqinisekisa ukuthi okufanelekile kuzosetshenziswa.

I-PSU futhi iqukethe isekethe yokushaja yebhethri ethembekile nephephile, evumela ibhethri le-Li-Po/Li-Ion elineseli elilodwa ukuthi lishajwe. Inketho yamandla NOMA-i-ing nayo iyasekelwa, ihlinzeka ngokusebenza kokuphakelwa kwamandla okungaphazamiseki (i-UPS) uma umthombo wamandla wangaphandle noma we-USB usetshenziswa uhlanganiswe nebhethri.

Incazelo enemininingwane

I-PSU inomsebenzi onzima kakhulu wokunikeza amandla kumphathi we-MCU nawo wonke ama-peripherals angaphakathi, kanye nama-peripherals axhumeke ngaphandle. Enye yezidingo ezibalulekile ukuhlinzeka ngamanje ngokwanele, ukugwema i-voltage yehlisa kokuphumayo. Futhi, i-PSU kumele ikwazi ukusekela imithombo yamandla eminingi ngevolumu yegama ehlukiletages, ukuvumela ukushintsha phakathi kwazo ngokubaluleka. Idizayini ye-PSU, esekelwe kusethi yama-ICs okushintsha amandla aphezulu akhiqizwa yi-Microchip, iqinisekisa ikhwalithi enhle kakhulu yevolthi yokuphumayo.tage, ukulinganisa okuphezulu kwamanje, kanye nemisebe kagesi eyehlisiwe.

Ekufakeni u-stagI-e ye-PSU, i-MIC2253, i-IC yesilawuli esisebenza kahle kakhulu esinomthamo omkhulutage ukuvikelwa kuqinisekisa ukuthi voltage faka kus olandelayotagi-e ilawulwa kahle futhi izinzile. Isetshenziselwa ukuthuthukisa ivolumutage ye-low-voltage imithombo yamandla (ibhethri le-Li-Po/Li-Ion ne-USB), okuvumela isigaba esilandelayotage ukuletha i-3.3V ne-5V elawulwa kahle ebhodini lokuthuthukisa. Isethi yezingxenye ezihlukene isetshenziselwa ukunquma ukuthi umthombo wamandla okokufaka udinga i-voltage-boost. Uma imithombo yamandla eminingi ixhunywe ngesikhathi esisodwa, le sekhethi iphinde isetshenziselwe ukunquma ileveli yokufaka kuqala: ixhumeke ngaphandle i-12V PSU, amandla phezu kwe-USB, kanye nebhethri ye-Li-Po/Li-Ion.

Ushintsho phakathi kwemithombo yamandla etholakalayo yakhelwe ukuhlinzeka ngokusebenza okungaphazamiseki kwebhodi lokuthuthukisa. I-PSU elandelayotagI-e isebenzisa izilawuli ezimbili ze-MIC28511, ezehlayo ezivumelanayo (ibhakede), ezikwazi ukunikeza kufika ku-3A. I-MIC28511 IC isebenzisa izakhiwo ze-HyperSpeed ​​Control® kanye ne-HyperLight Load®, ihlinzeka ngempendulo yesikhashana eshesha kakhulu kanye nokusebenza kahle komthwalo wokukhanya okuphezulu. Isilawuli ngasinye kwezimbili zembabala sisetshenziselwa ukuphakela amandla kumzila wesitimela wokuphakelwa kukagesi ohambisanayo (3.3V kanye no-5V), kulo lonke ibhodi lokuthuthukisa nama-peripheral axhunyiwe.

Voltage reference

I-MCP1501, ivolumu enebhafa enebhafa ephezulutagI-e reference evela ku-Microchip isetshenziselwa ukunikeza ivolumu enembe kakhulutage ireferensi engenawo voltage drift. Ingasetshenziselwa izinhloso ezehlukene: ukusetshenziswa okuvame kakhulu kufaka phakathi umthamotage izinkomba zeziguquli ze-A/D, iziguquleli ze-D/A, nama-peripherals wokuqhathanisa ku-MCU yokusingatha. I-MCP1501 inganikeza kufika ku-20mA, ikhawulele ukusetshenziswa kwayo kuphela ku-voltagizinhlelo zokusebenza zokuqhathanisa ezinokungena okuphezulu kokufakwayo. Kuye ngohlelo lokusebenza oluthile, i-3.3V esuka kumzila wamandla, noma i-2.048V evela ku-MCP1501 ingakhethwa. I-jumper ye-SMD engaphakathi ebhalwe ukuthi REF SEL inikeza amavolumu amabilitagIzinketho zereferensi:

• REF: 2.048V kusuka ku-high-nemba voltagfuthi ireferensi IC
• 3V3: 3.3V kusuka kumzila wesitimela ophakela amandla

Izixhumi ze-PSU

Njengoba kuchaziwe, idizayini ethuthukisiwe ye-PSU ivumela ukuthi kusetshenziswe izinhlobo ezimbalwa zemithombo yamandla, enikeza ukuguquguquka okungakaze kubonwe ngaphambili: lapho inikwa amandla yibhethri ye-Li-Po/Li-Ion, inikezela ngezinga eliphakeme lokuzimela. Ezimweni lapho amandla eyinkinga, anganikwa amandla amandla angaphandle ayi-12VDC, axhunywe phezu kwetheminali yesikulufu sezigxobo ezimbili. Amandla akuyona inkinga ngisho noma esebenza ngekhebula le-USB. Inganikwa amandla ngesixhumi se-USB-C, kusetshenziswa amandla alethwa yi-USB HOST (okungukuthi ikhompuyutha yomuntu siqu), i-adaptha yodonga ye-USB, noma ibhange lamandla ebhethri. Kunezixhumi ezintathu zokuhlinzeka ngogesi ezitholakalayo, ngasinye sinenjongo yaso ehlukile:

• I-CN6: Isixhumi se-USB-C (1)
• I-TB1: Itheminali yesikulufu ye-12VDC PSU yangaphandle (2)
• I-CN8: Isixhumi sebhethri esijwayelekile esingu-2.5mm se-XH (3)

Isixhumi se-USB-C
Isixhumi se-USB-C (esilebulwe ngokuthi CN6) sinikeza amandla avela kumsingathi we-USB (i-PC ngokuvamile), ibhange lamandla le-USB, noma i-adaptha yodonga ye-USB. Uma inikwe amandla phezu kwesixhumi se-USB, amandla atholakalayo azoncika emandleni omthombo. Ubukhulu bezilinganiso zamandla, kanye nevolumu yokufaka evunyelwetagUbubanzi be-e esimweni lapho kusetshenziswa ugesi we-USB, kunikezwe kuthebula Umfanekiso 6:

Ukunikezwa kwamandla kwe-USB
Okokufaka Voltage [V]		Okukhipha Umqtage [V]	Ubuningi Bamanje [A]	Amandla Amakhulu [W]
MIN	MAX	3.3	1.7	5.61
4.4	5.5	5	1.3	6.5
		3.3 & 5	0.7 & 0.7	5.81

Uma usebenzisa i-PC njengomthombo wamandla, amandla amakhulu angatholwa uma i-PC yokusingatha isekela isixhumi esibonakalayo se-USB 3.2, futhi ifakwe izixhumi ze-USB- C. Uma i-PC yesikhungo isebenzisa isixhumi esibonakalayo se-USB 2.0, izokwazi ukunikeza amandla amancane, njengoba kufika ku-500 mA (2.5W ku-5V) kuphela etholakala kuleso simo. Qaphela ukuthi uma usebenzisa izintambo ze-USB ezinde noma izintambo ze-USB zekhwalithi ephansi, i-voltagengase yehle ngaphandle kwevolumu yokusebenza elinganiselwetage, okubangela ukuziphatha okungalindelekile kwebhodi lokuthuthukisa.

QAPHELA: Uma umsingathi we-USB angahlomekile ngesixhumi se-USB-C, i-adaptha ye-USB yoHlobo A ukuya ku-C ingasetshenziswa (ifakwe kuphakheji).

I-12VDC screw terminal

Amandla kagesi ayi-12V angaphandle angaxhunywa phezu kwetheminali yesikulufu se-2-pole (ebhalwe ngokuthi TB1). Uma usebenzisa ukunikezwa kwamandla kwangaphandle, kungenzeka ukuthola inani eliphelele lamandla, njengoba iyunithi eyodwa yamandla yangaphandle ingashintshwa kalula nenye, kuyilapho amandla ayo nezici zokusebenza zinganqunywa ngohlelo lokusebenza ngalunye. Ibhodi lokuthuthukisa livumela umkhawulo wamanje ongu-2.8A ujantshi kagesi ngamunye (3.3V kanye no-5V) uma usebenzisa ugesi wangaphandle oyi-12V. Ubukhulu bezilinganiso zamandla, kanye nevolumu yokufaka evunyelwetagUbubanzi be-e esimweni lapho kusetshenziswa ukunikezwa kwamandla kwangaphandle, kunikezwe kuthebula Umfanekiso 7:

Ukunikezwa kwamandla kwangaphandle
Okokufaka Voltage [V]		Okukhipha Umqtage [V]	Ubuningi Bamanje [A]	Amandla Amakhulu [W]
MIN	MAX	3.3	2.8	9.24
10.6	14	5	2.8	14
		3.3 & 5	2.8 & 2.8	23.24

Umfanekiso 7: Ithebula lokunikezwa kwamandla kwangaphandle.

Isixhumi sebhethri se-Li-Po/Li-Ion XH

Uma inikwa amandla ibhethri le-Li-Po/Li-Ion elineseli elilodwa, i-mikromedia 5 FPI inikeza inketho yokuthi isetshenziswe ukude. Lokhu kuvumela ukuzimela okuphelele, okukuvumela ukuthi kusetshenziswe ezimweni ezithize kakhulu: izindawo eziyingozi, izinhlelo zokusebenza zezolimo, njll. Isixhumi sebhethri siyisixhumi esijwayelekile se-2.5mm pitch XH. Ivumela uhla lwamabhethri e-Li-Po ne-Li-Ion yeseli elilodwa ukuthi asetshenziswe. I-PSU ye-mikromedia 5 FPI inikeza ukusebenza kokushaja kwebhethri, kusukela kukho kokubili isixhumi se-USB kanye ne-12VDC/ukunikezwa kwamandla kwangaphandle. Isekhethi yokushaja ibhethri ye-PSU ilawula inqubo yokushaja ibhethri, ivumela izimo zokushaja ezilungile nempilo yebhethri ende. Inqubo yokushaja iboniswa yinkomba ye-BATT LED, etholakala ngemuva kwe-mikromedia 5 FPI.

Imojula ye-PSU ihlanganisa nesekhethi yeshaja yebhethri. Ngokuya ngesimo sokusebenza sebhodi lokuthuthukisa i-mikromedia 5 FPI, amandla okushaja angasethelwa ku-100mA noma ku-500mA. Uma ibhodi lokuthuthukisa IVALIWE, ishaja ye-IC izokwaba wonke amandla atholakalayo ngenjongo yokushaja ibhethri. Lokhu kubangela ukushaja okusheshayo, kanti ukushaja kwamanje kusethwe ku-500mA. Ngenkathi IVULIWE, amandla okushaja atholakalayo azosethwa ukuze acishe abe ngu-100 mA, okwehlisa ukusetshenziswa kwamandla sekukonke kube sezingeni eliphusile. Ubukhulu bezilinganiso zamandla kanye nevolumu yokufaka evunyelwetaguhla lwe-e uma kusetshenziswa amandla ebhethri, anikezwe kuthebula Umfanekiso 8:

Ukunikezwa kwamandla ebhethri
Okokufaka Voltage [V]		Okukhipha Umqtage [V]	Ubuningi Bamanje [A]	Amandla Amakhulu [W]
MIN	MAX	3.3	1.3	4.29
3.5	4.2	5	1.1	5.5
		3.3 & 5	0.6 & 0.6	4.98

Umfanekiso 8: Ithebula lokunikezwa kwamandla ebhethri.

Ukuphelelwa amandla kanye nokungaphazanyiswa kukagesi (UPS)

Imojula ye-PSU isekela ukuphindaphinda kokunikezwa kwamandla: izoshintshela ngokuzenzakalelayo emthonjeni wamandla ofaneleka kakhulu uma umthombo owodwa wehluleka noma unqanyulwa. Ukuncipha kokunikezwa kwamandla nakho kuvumela ukusebenza okungaphazamiseki (okungukuthi ukusebenza kwe-UPS, ibhethri lisazonikeza amandla uma intambo ye-USB isusiwe, ngaphandle kokusetha kabusha i-mikromedia 5 FPI ngesikhathi soshintsho).

Inika amandla i- mikromedia 5 FPI ibhodi

Ngemva kokuthi umthombo osebenzayo wamandla uxhumekile (1) kithi ngebhethri ye-Li-Po/Li-Ion yeseli elilodwa, i-mikromedia 5 FPI ingavulwa. Lokhu kungenziwa ngokushintsha okuncane emaphethelweni ebhodi, okubhalwe ukuthi SW1 (2). Ngokuyivula, imojuli ye-PSU izonikwa amandla, futhi amandla azosatshalaliswa kulo lonke ibhodi. Inkomba ye-LED ebhalwe ngokuthi PWR ibonisa ukuthi i-mikromedia 5 FPI ivuliwe.

Isibonisi esiphikisayo

Isibonisi sekhwalithi ephezulu esingu-5” TFT sombala weqiniso esinephaneli yokuthinta ephikisayo isici esihluke kakhulu se-mikromedia 5 FPI. Isibonisi sinokulungiswa kwamaphikseli angu-800 x 480, futhi singabonisa imibala efika ku-16.7M (ukujula kombala wamabhithi angu-24). Isibonisi se-mikromedia 5 FPI sinesilinganiso sokungafani esiphezulu esingu-500:1, sibonga ama-LED angu-18 okukhanya okuphezulu asetshenziselwa ukukhanyisa. Imojuli yokubonisa ilawulwa umshayeli wezithombe we-SSD1963 (1) we-IC ovela ku-Solomon Systech. Lena i-coprocessor yezithombe enamandla, ifakwe u-1215KB wememori yebhafa yozimele. Iphinde ifake ezinye izici ezithuthukisiwe njengokuzungezisa isibonisi okusheshisiwe kwehadiwe, isibuko sokubonisa, iwindi lehadiwe, isilawuli sokukhanya kwe-backlight, umbala ohlelekayo nokulawula ukukhanya, nokuningi.

Iphaneli yokumelana, esekelwe kusilawuli se-TSC2003 RTP ivumela ukuthuthukiswa kwezinhlelo zokusebenza ezisebenzisanayo, ezinikeza isixhumi esibonakalayo sokulawula esiqhutshwa ukuthintwa. Isilawuli sephaneli yokuthinta sisebenzisa isixhumi esibonakalayo se-I2C sokuxhumana nesilawuli somsingathi. Ifakwe isibonisi sekhwalithi ephezulu esingu-5” (2) kanye nesilawuli esisekela ukuthinta, i-mikromedia 5 FPI imele indawo yehadiwe enamandla kakhulu yokwakha izinhlelo zokusebenza ezihlukahlukene ze-GUI-centric Human Machine Interface (HMI).

Ukugcinwa kwedatha

Ibhodi lokuthuthukisa i-mikromedia 5 FPI ifakwe izinhlobo ezimbili zememori yokugcina: ene-slot yekhadi le-MicroSD kanye nemojula yememori ye-Flash.

I-slot yekhadi le-microSD
I-slot yekhadi le-MicroSD (1) ivumela ukugcina inani elikhulu ledatha ngaphandle, kumemori khadi ye-microSD. Isebenzisa i-Secure digital input/output interface (SDIO) ukuxhumana ne-MCU. Isekhethi yokuthola ikhadi le-MicroSD nayo inikezwa ebhodini. Ikhadi le-MicroSD liwuhlobo lwekhadi le-SD elincane kunazo zonke, elikala kuphela u-5 x 11 mm. Naphezu kobukhulu bayo obuncane, ivumela amanani amakhulu edatha ukuthi agcinwe kuyo. Ukuze ufunde futhi ubhalele ekhadini le-SD, isofthiwe/i-firmware efanele esebenza ku-MCU engusokhaya iyadingeka.

Isitoreji se-flash sangaphandle
i-mikromedia 5 FPI ifakwe i-SST26VF064B Flash memory (2). Imojuli yememori ye-Flash inobuningi be-64 Mbits. Amaseli ayo okugcina ahlelwe ngamagama angu-8-bit, okuholela ku-8Mb yememori engaguquguquki isiyonke, etholakalayo ezinhlelweni ezihlukahlukene. Izici ezihluke kakhulu zemojuli ye-Flash ye-SST26VF064B ijubane layo eliphezulu, ukukhuthazela okuphezulu kakhulu, nesikhathi esihle kakhulu sokugcina idatha. Ingakwazi ukumelana nemijikelezo engu-100,000 100, futhi ingagcina ukwaziswa okugciniwe iminyaka engaphezu kweyikhulu. Iphinde isebenzisa isixhumi esibonakalayo se-SPI ekuxhumaneni ne-MCU.

Ukuxhumana

i-mikromedia 5 FPI inikeza inombolo enkulu yezinketho zokuxhuma. Kuhlanganisa ukusekelwa kwe-WiFi, RF kanye ne-USB (HOST/DEVICE). Ngaphandle kwalezo zinketho, futhi inikezela ngezixhumi ezintathu ezijwayelekile ze-mikroBUS™ Shuttle. Kungukuthuthuka okukhulu kwesistimu, njengoba ivumela ukuhlangana nesisekelo esikhulu se-Click boards™.

I-USB

I-MCU yokusingatha ifakwe imojula ye-USB peripheral, evumela ukuxhumana kwe-USB okulula. I-USB (Universal Serial Bus) iyindinganiso yomkhakha edume kakhulu echaza izintambo, izixhumi, nezimiso ezisetshenziswayo ekuxhumaneni nasekunikezeni amandla phakathi kwamakhompyutha namanye amadivayisi. i-mikromedia 5 FPI isekela i-USB njengezindlela ze-HOST/ DEVICE, okuvumela ukuthuthukiswa kwezinhlelo zokusebenza ezihlukahlukene ezisekelwe ku-USB. Ifakwe isixhumi se-USB-C, esinikeza ama-advan amaningitages, uma kuqhathaniswa nezinhlobo zangaphambili zezixhumi ze-USB (idizayini elinganayo, isilinganiso esiphezulu samanje, usayizi ohlangene, njll). Ukukhetha imodi ye-USB kwenziwa kusetshenziswa isilawuli se-monolithic IC. Le IC inikeza ukutholwa kwesiteshi sokucushwa (CC) nemisebenzi yezinkomba.

Ukuze usethe i-mikromedia 5 FPI njenge-USB HOST, iphinikhodi ye-USB PSW kufanele isethelwe ezingeni ELIPHANSI lokunengqondo (0) yi-MCU. Uma isethelwe ezingeni ELIPHEZULU lokunengqondo (1), i-mikromedia 5 FPI isebenza njenge-DEVICE. Ngenkathi ukumodi ye-HOST, i-mikromedia 5 FPI inikeza amandla phezu kwesixhumi se-USB-C (1) se-DEVICE enamathiselwe. Iphinikhodi ye-USB PSW ishayelwa umsingathi we-MCU, ovumela isofthiwe ukuthi ilawule imodi ye-USB. Iphinikhodi ye-ID ye-USB isetshenziselwa ukuthola uhlobo lwedivayisi enamathiselwe embobeni ye-USB, ngokuya ngemininingwane ye-USB OTG: iphinikhodi ye-ID ye-USB exhunywe ku-GND ikhombisa idivayisi ye-HOST, kuyilapho iphinikhodi ye-ID ye-USB isethelwe esimweni esiphezulu sokukhubazeka ( I-HI-Z) ikhombisa ukuthi i-peripheral exhunyiwe iyi-DEVICE.

RF

i-mikromedia 5 FPI inikeza ukuxhumana ngebhendi yomsakazo ye-ISM yomhlaba wonke. Ibhendi ye-ISM ifaka ibanga lokuvama phakathi kuka-2.4GHz no-2.4835GHz. Le bhendi yefrikhwensi ibekelwe ukusetshenziswa kwezimboni, ezesayensi, nezokwelashwa (yingakho isifinyezo se-ISM). Ngaphezu kwalokho, itholakala emhlabeni wonke, okuyenza ibe enye indlela efanelekile ye-WiFi, lapho ukuxhumana kwe-M2M ebangeni elifushane kuyadingeka. i-mikromedia 5 FPI isebenzisa i-nRF24L01+ (1), i-transceiver ye-single-chip 2.4GHz enenjini yephrothokholi ye-baseband eshumekiwe, ekhiqizwe ama-Nordic Semiconductors. Kuyisixazululo esiphelele sezinhlelo zokusebenza ezingenantambo zamandla aphansi kakhulu. Le transceiver incike ekushintshashintsheni kwe-GFSK, okuvumela amanani edatha ebangeni elisuka ku-250 kbps, lifika ku-2 Mbps. Ukuguquguquka kwe-GFSK kuwuhlelo olusebenza kahle kakhulu lokushintsha isignali ye-RF, kunciphisa umkhawulokudonsa odingekayo, ngaleyo ndlela kumoshe amandla amancane. I-nRF24L01+ iphinde ibe ne-Enhanced ShockBurst™ ephathelene nokuphathelene, isendlalelo sesixhumanisi sedatha esisekelwe ephaketheni. Ngaphandle kokunye ukusebenza, inikeza isici se-MultiCeiver™ eneziteshi ezingu-6, esivumela ukusebenzisa i-nRF24L01+ ku-topology yenethiwekhi yenkanyezi. I-nRF24L01+ isebenzisa isixhumi esibonakalayo se-SPI ukuze ixhumane nomsingathi we-MCU. Emigqeni ye-SPI, isebenzisa izikhonkwane ezengeziwe ze-GPIO ze-SPI Chip Select, i-Chip Vumela, kanye nokuphazamisa. Ingxenye ye-RF ye-mikromedia 5 FPI iphinde ibe ne-antenna ye-chip encane (4) kanye nesixhumi se-SMA sothi lwangaphandle.

I-WiFi

Imojula ye-WiFi edume kakhulu (2) ebhalwe ngokuthi CC3100 ivumela ukuxhumana kwe-WiFi. Le mojula iyisixazululo esiphelele se-WiFi ku-chip: iyiphrosesa yenethiwekhi ye-WiFi enamandla enohlelo olungaphansi lokuphathwa kwamandla, enikeza isitaki se-TCP/IP, injini ye-crypto enamandla enokwesekwa okungu-256-bit AES, ukuphepha kwe-WPA2, ubuchwepheshe be-SmartConfig™, nokunye okuningi. Okuningi. Ngokukhipha imisebenzi yokusingatha i-WiFi ne-inthanethi ku-MCU, ivumela umsingathi we-MCU ukuthi acubungule izinhlelo zokusebenza ezifuna kakhulu, ngaleyo ndlela ikwenze kube yisixazululo esikahle sokwengeza uxhumano lwe-WiFi ku-mikromedia 5 FPI. Isebenzisa isixhumi esibonakalayo se-SPI ukuze ixhumane nomsingathi we-MCU, kanye nezikhonkwane ezengeziwe ze-GPIO ezisetshenziselwa ukusetha kabusha, ukulala, kanye nokubika okuphazamisayo.

I-jumper ye-SMD ebhalwe ngokuthi FORCE AP (3) isetshenziselwa ukuphoqa imojula ye-CC3100 ibe yimodi ye-Access Point (AP), noma ibe yimodi Yesiteshi. Nokho, imodi yokusebenza yemojuli ye-CC3100 ingakhishwa isofthiwe.

Le jumper ye-SMD inikeza izinketho ezimbili:

• 0: iphinikhodi ye-FOCE AP idonselwa ezingeni ELIPHANSI elinengqondo, okuphoqelela imojuli ye-CC3100 kumodi ye-STATION
• 1: iphinikhodi ye-FOCE AP idonselwa ezingeni ELIPHEZULU lokunengqondo, okuphoqelela imojula ye-CC3100 kumodi ye-AP Kukhona i-chip antenna (4) ehlanganiswe ku-PCB ye-mikromedia 5 FPI kanye nesixhumi se-SMA sothi lwe-WiFi lwangaphandle.

i-mikroBUS™ izixhumi ze-shuttle

I-Mikromedia 5 yebhodi lokuthuthukisa i-STM32 RESISTIVE FPI isebenzisa isixhumi se-mikroBUS™ Shuttle, isengezo esisha sha esilinganisweni se-mikroBUS™ esisesimweni sekhanda le-IDC lephinikhodi elingu-2×8 elinokuphakama okungu-1.27mm (50mil). Ngokungafani namasokhethi e-mikroBUS™, izixhumi ze-mikroBUS™ Shuttle zithatha indawo encane kakhulu, ezivumela ukuthi zisetshenziswe ezimeni lapho kudingeka khona umklamo ohlangene. Kunezixhumi ezintathu ze-mikroBUS™ Shuttle (1) ebhodini lokuthuthukisa, ezinelebula ukusuka ku-MB1 ukuya ku-MB3. Ngokuvamile, isixhumi se-mikroBUS™ Shuttle singasetshenziswa sihlanganiswe nebhodi lesandiso le-mikroBUS™ Shuttle kodwa alikhawulelwe kulo.

I-mikroBUS™ Shuttle extension board (2) iyibhodi elengeziwe elifakwe isokhethi elivamile le-mikroBUS™ kanye nezimbobo ezine ezifakwayo. Ingaxhunywa kusixhumi se-mikroBUS™ Shuttle ngentambo eyisicaba. Lokhu kuqinisekisa ukuhambisana nesisekelo esikhulu se-Click boards™. Ukusebenzisa i-mikroBUS™ Shuttles nakho kuhlinzeka ngenani lezinzuzo ezengeziwe:

• Uma usebenzisa izintambo eziyisicaba, indawo ye-mikroBUS™ Shuttle ayilungisiwe
• Amabhodi esandiso se-mikroBUS™ Shuttle aqukethe izimbobo ezengeziwe zokufakwa unomphela
• Ubude obungenamthetho bezintambo eziyisicaba bungasetshenziswa (kuya ngezimo ezithile zokusebenzisa)
• Ukuxhumana kunganwetshwa ngokungeziwe, ngokukhipha lezi zixhumi usebenzisa ukuchofoza kwe-Shuttle (3)

Ukuze uthole ulwazi olwengeziwe mayelana nebhodi lesandiso le-mikroBUS™ Shuttle kanye neShuttle

Chofoza, sicela uvakashele web amakhasi:
www.mikroe.com/mikrobus-shuttle
www.mikroe.com/shuttle-click
Ukuze uthole ulwazi olwengeziwe mayelana ne-mikroBUS™, sicela uvakashele isikhulu web ikhasi ku www.mikroe.com/mikrobus

Ama-peripheral ahlobene nomsindo

Ngokunikela ngamapheya ahlobene nomsindo, i-mikromedia 5 FPI ihlanganisa umqondo wayo we-multimedia. Ifaka i-piezo-buzzer, okulula kakhulu ukuyihlela kodwa engakhiqiza kuphela imisindo elula, ewusizo kuphela kuma-alamu noma izaziso. Inketho yesibili yomsindo i-VS1053B IC (1) enamandla. Kuyi-decoder ye-Ogg Vorbis/MP3/AAC/WMA/FLAC/WAV/MIDI, kanye nesishumeki se-PCM/IMA ADPCM/Ogg Vorbis, kokubili ku-chip eyodwa. Ifaka umgogodla we-DSP onamandla, iziguquli zekhwalithi ephezulu ze-A/D ne-D/A, umshayeli wama-headphone e-stereo okwazi ukushayela umthwalo ongu-30Ω, ukutholwa okuyi-zerocross ngokushintsha kwevolumu ebushelelezi, izilawuli ze-bass kanye ne-treble, nokunye okuningi.

I-Piezo buzzer
I-piezo buzzer (2) iyithuluzi elilula elikwazi ukukhiqiza kabusha umsindo. Iqhutshwa yi-transistor encane ecatshangelwe ngaphambili. I-buzzer ingaqhutshwa ngokusebenzisa isignali ye-PWM evela ku-MCU esisekelweni se-transistor: i-pitch yomsindo incike kubuningi besignali ye-PWM, kuyilapho ivolumu ingalawulwa ngokushintsha umjikelezo wayo womsebenzi. Njengoba kulula kakhulu ukuyihlela, ingaba wusizo kakhulu kuma-alamu alula, izaziso, nezinye izinhlobo zokubonisa umsindo okulula.

I-CODEC yomsindo

Imisebenzi edinga izinsiza neyinkimbinkimbi yokucubungula umsindo ingalayishwa kumsingathi we-MCU ngokusebenzisa i-CODEC IC yomsindo ezinikele, enelebula ngokuthi VS1053B (1). Le IC isekela amafomethi amaningi ahlukene omsindo, avame ukutholakala kumishini ehlukahlukene yomsindo wedijithali. Ingakwazi ukufaka ikhodi futhi inqume ukusakaza komsindo ngokuzimela ngenkathi yenza imisebenzi ehlobene ne-DSP ngokuhambisana. I-VS1053B inezici ezimbalwa ezibalulekile ezenza le IC ikhethe ethandwa kakhulu uma kukhulunywa ngokucubungula umsindo.

Ngokunikeza ukucindezela kwehardware yekhwalithi ephezulu (umbhalo wekhodi), i-VS1053B ivumela umsindo ukuthi uqoshwe kuthathe isikhala esincane kakhulu uma kuqhathaniswa nolwazi lomsindo ofanayo ngefomethi yawo eluhlaza. Ngokuhambisana nama-ADC nama-DAC ekhwalithi ephezulu, umshayeli wamahedfoni, isilinganisi somsindo esididiyelwe, ukulawula ivolumu, nokunye, kumelela isisombululo esizungezile sanoma yiluphi uhlobo lohlelo lokusebenza lomsindo. Kanye nephrosesa yezithombe enamandla, iphrosesa yomsindo ye-VS1053B ihlanganisa ngokuphelele izici zemultimedia zebhodi lokuthuthukisa i-mikromedia 5 FPI. Ibhodi le-mikromedia 5 FPI lifakwe i-3.5mm ye-3-pole jack headphones jack (XNUMX), evumela ukuxhuma i-earphone nemakrofoni.

Izinzwa namanye ama-peripheral

Isethi yezinzwa ezengeziwe zasemoyeni namadivayisi wengeza esinye futhi isendlalelo sokusebenziseka ebhodini lokuthuthukisa i-mikromedia 5 FPI.

Inzwa yokunyakaza yedijithali
I-FXOS8700CQ, i-accelerometer ehlanganisiwe ye-3-eksisi ethuthukisiwe kanye ne-magnetometer ye-axis engu-3, ​​ingathola imicimbi eminingi ehlobene nokunyakaza, okuhlanganisa ukutholwa komcimbi wokuma, ukutholwa kwe-freefall, ukutholwa kokushaqeka, kanye nokuthepha, kanye nokutholwa komcimbi wokuthepha kabili. Le micimbi ingabikwa kumsingathi we-MCU ngaphezu kwamaphinikhodi amabili okuphazamisa, kuyilapho ukudluliswa kwedatha kwenziwa ngoxhumano lwe-I2C. Inzwa ye-FXOS8700CQ ingaba usizo kakhulu ekutholeni umumo wokubonisa. Ingasetshenziswa futhi ukuguqula i-mikromedia 5 FPI ibe yisixazululo esiphelele se-e-compass eyi-6-axis. Ikheli lesigqila le-I2C lingashintshwa ngokusebenzisa ama-jumper amabili e-SMD aqoqwe ngaphansi kwelebula ye-ADDR SEL (1).

Iwashi lesikhathi sangempela (i-RTC)

Umsingathi we-MCU uqukethe imojuli yewashi lesikhathi sangempela (RTC). I-peripheral ye-RTC isebenzisa umthombo wamandla ohlukile, ngokuvamile ibhethri. Ukuvumela ukulandelela okuqhubekayo kwesikhathi, i-mikromedia 5 FPI ifakwe inkinobho yebhethri yebhethri egcina ukusebenza kwe-RTC ngisho noma ukunikezwa kwamandla okukhulu KUVALIWE. Ukusetshenziswa kwamandla okuphansi kakhulu kwe-RTC peripheral kuvumela lawa mabhethri ukuthi ahlale isikhathi eside kakhulu. Ibhodi lokuthuthukisa i-mikromedia 5 FPI ifakwe isibambi sebhethri yeseli yenkinobho (2), ehambisana nezinhlobo zebhethri yenkinobho ye-SR60, LR60, 364, elivumela ukuthi lifake iwashi lesikhathi sangempela phakathi kwezinhlelo zokusebenza.

KHETHA I-NECTO DESIGNER YEZINHLELO ZOKUSEBENZA ZE-GUI
Yakha izinhlelo zokusebenza ze-Smart GUI kalula ngomklami we-NECTO Studio kanye ne-LVGL Graphics Library.

Yini elandelayo?

Manje usuqedile uhambo ngokusebenzisa isici ngasinye se-mikromedia 5 sebhodi lokuthuthukisa i-STM32 RESISTIVE FPI. Wazi amamojula ayo kanye nenhlangano. Manje usukulungele ukuqala ukusebenzisa ibhodi lakho elisha. Siphakamisa izinyathelo ezimbalwa okungenzeka ukuthi ziyindlela engcono kakhulu yokuqala.

ABAHLANGANISI
I-NECTO Studio iyindawo ephelele, ehlangene yokuthuthukiswa kwenkundla (IDE) yezinhlelo zokusebenza ezishumekiwe ezihlinzeka ngakho konke okudingekayo ukuze kuqalwe ukwenziwa, kanye nokwenza i-prototyping, okuhlanganisa izinhlelo zokusebenza ze-Click board™ kanye nama-GUI emishini eshumekiwe. Ukuthuthukiswa kwesofthiwe esheshayo kufinyelelwa kalula njengoba abathuthukisi bengadingi ukucabangela ikhodi yezinga eliphansi, ukuyikhulula ukuze igxile kukhodi yesicelo ngokwayo. Lokhu kusho ukuthi ukushintsha i-MCU noma inkundla yonke ngeke kudinge onjiniyela ukuthi bathuthukise kabusha ikhodi yabo ye-MCU entsha noma inkundla. Bangakwazi ukushintshela endaweni oyifunayo, basebenzise incazelo yebhodi efanele file, futhi ikhodi yohlelo lokusebenza izoqhubeka nokusebenza ngemva kokuhlanganiswa okukodwa. www.mikroe.com/necto.

GUI PROJECTS
Uma usulande i-NECTO Studio, futhi njengoba usuvele ulitholile ibhodi, usukulungele ukuqala ukubhala amaphrojekthi akho okuqala e-GUI. Khetha phakathi kwabahlanganisi abambalwa be-MCU ethile esesisetshenziswa se-mikromedia, bese uqala ukusebenzisa umtapo wezincwadi odume kakhulu wezithombe embonini eshumekiwe - umtapo wezithombe we-LVGL, ingxenye ebalulekile ye-NECTO Studio. Lokhu kwenza isiqalo esihle kakhulu samaphrojekthi we-GUI wesikhathi esizayo.

UMPHAKATHI
Iphrojekthi yakho iqala ku-EmbeddedWiki - inkundla yamaphrojekthi ashumekiwe amakhulu kunawo wonke emhlabeni, enamaphrojekthi angaphezu kuka-1M+ aselungele ukusetshenziswa, enziwe ngezingxenyekazi zekhompuyutha eziklanywe kusengaphambili nezisezingeni kanye nezisombululo zesofthiwe ezisebenza njengesiqalo sokwenza imikhiqizo noma izinhlelo zokusebenza ezingokwezifiso. Inkundla ihlanganisa izihloko eziyi-12 kanye nezicelo ezingama-92. Vele ukhethe i-MCU oyifunayo, khetha uhlelo lokusebenza, bese uthola ikhodi evumelekile engu-100%. Kungakhathaliseki ukuthi ungumfundi oqalayo osebenza kuphrojekthi yakho yokuqala noma uchwepheshe ongumakadebona nge-101st yakho eyodwa, i-EmbeddedWiki iqinisekisa ukuqedwa kwephrojekthi ngokwaneliseka, ukuqeda isikhathi esingadingekiletage. www.embeddedwiki.com

UKUSEKELA
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ISIKHUMBUZO

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AMAKHI

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