Ibhodi ye-MIKROE STM32F407ZGT6 ye-Multiadapter Prototype

Enkosi ngokukhetha i-MIKROE!
Sinikezela ngesisombululo semultimedia sophuhliso oluzinzisiweyo. Ihle kakhulu kumphezulu, kodwa inamandla kakhulu ngaphakathi, siyiyile ukuze ikhuthaze impumelelo ebalaseleyo. Kwaye ngoku, yeyakho yonke. Yonwabela iprimiyamu.

Khetha inkangeleko yakho
Iyafana ngasemva, ukhetho ngaphambili.

• mikromedia 5 ye-STM32 Resistive FPI ene-bezel
• mikromedia 5 ye-STM32 Resistive FPI enesakhelo

i-mikromedia 5 ye-STM32 RESISTIVE FPI yibhodi yophuhliso edibeneyo eyenzelwe njengesisombululo esipheleleyo sophuhliso olukhawulezayo lwe-multimedia kunye ne-GUI-centric applications. Ngokubonisa i-5”isikrini sokuchukumisa esinamandla esiqhutywa sisilawuli semizobo esinamandla esinokubonisa ipalethi yombala we-24-bit (imibala yezigidi ezili-16.7), kunye nesandi esifakwe amandla e-DSP se-CODEC IC, simele isisombululo esigqibeleleyo kulo naluphi na uhlobo lwesicelo semultimedia. .

Embindini wayo, kukho i-32-bit STM32F407ZGT6 enamandla okanye i-STM32F746ZGT6 microcontroller (ebizwa ngokuba "yi-MCU yokusingatha" kwisicatshulwa esilandelayo), eveliswe yi-STMicroelectronics, ebonelela ngamandla okwaneleyo okusebenza kweyona misebenzi inzima, iqinisekisa ukusebenza kwegraphical kunye ne-glitch. -simahla ukuveliswa komsindo.

Nangona kunjalo, le bhodi yophuhliso ayikhawulelwanga kwizicelo ezisekelwe kwi-multimedia kuphela: i-mikromedia 5 ye-STM32 RESISTIVE FPI ("mikromedia 5 FPI" kwisicatshulwa esilandelayo) ibonisa i-USB, iinketho zoqhagamshelwano ze-RF, inzwa yentshukumo yedijithali, i-piezo-buzzer, ukusebenza kwebhetri yokutshaja, i-SD. -Umfundi weKhadi, i-RTC, kunye nokunye okuninzi, ukwandisa ukusetyenziswa kwayo ngaphaya kwemultimedia. Iziqhagamshelo ezintathu zeShuttle zeMikroBUS ezinobungakanani obubambeneyo zimele olona phawu loqhagamshelo lwahlukileyo, oluvumela ukufikelela kwisiseko esikhulu seebhodi zokucofa, ezikhula mihla le.

Ukusetyenziswa kwe-mikromedia 5 FPI ayipheli ngokukwazi kwayo ukukhawulezisa iprototyping kunye nophuhliso lwesicelo.tagES Sinikezela ngeentlobo ezimbini ze-mikromedia 5 kwiibhodi ze-STM32 RESISTIVE FPI. Eyokuqala inomboniso we-TFT ene-bezel ejikeleze kuyo kwaye ilungele izixhobo eziphathwa ngesandla. Enye i-mikromedia 5 ye-STM32 RESISTIVE FPI ibhodi inomboniso we-TFT kunye nesakhelo sesinyithi, kunye nemingxuma emine yeekona eyenza ukufakwa okulula kwiintlobo ezahlukeneyo zezixhobo zoshishino. Inketho nganye ingasetyenziselwa kwizisombululo zasekhaya ezihlakaniphile, kunye nepaneli yodonga, ukhuseleko kunye neenkqubo zemoto, i-automation factory, ulawulo lwenkqubo, ukulinganisa, ukuxilongwa kunye nezinye ezininzi. Ngeentlobo zombini, i-casing enhle yiyo yonke into oyifunayo ukuze ujike i-mikromedia 5 ye-STM32 RESISTIVE FPI ibhodi ibe kuyilo olusebenza ngokupheleleyo.

PHAWULA: Le ncwadana, iyonke, ibonisa ukhetho olunye lwe-mikromedia 5 ye-STM32 RESISTIVE FPI ngeenjongo zokubonisa. Le ncwadana isebenza kuzo zombini iinketho.

Iimpawu eziphambili ze-microcontroller

Kwisiseko sayo, i-mikromedia 5 ye-STM32 Resistive FPI isebenzisa i-STM32F407ZGT6 okanye i-STM32F746ZGT6 MCU.

I-STM32F407ZGT6 ngundoqo we-32-bit RISC ARM® Cortex®-M4. Le MCU iveliswa yi-STMicroelectronics, ebonisa i-floating-point unit (FPU), isethi epheleleyo yemisebenzi ye-DSP, kunye neyunithi yokukhusela imemori (MPU) yokhuseleko oluphezulu lwesicelo. Phakathi kweeperipheral ezininzi ezikhoyo kwi-MCU yokusingatha, izinto eziphambili ziquka:

• 1 MB yememori edanyazayo
• I-192 + 4 KB ye-SRAM (ibandakanya i-64 KB ye-Coupled Memory)
• I-Adaptive real-time accelerator (ART Accelerator™) ivumela ukuphunyezwa kwemeko ye-0 kwimemori edanyazayo.
• Isantya sokusebenza ukuya kuthi ga kwi-168 MHz
• 210 DMIPS / 1.25 DMIPS/MHz (Dhrystone 2.1) Ngoluhlu olupheleleyo lweempawu ze-MCU, nceda ubhekisele kwidatha yedatha ye-STM32F407ZGT6

I-STM32F746ZGT6 ngundoqo we-32-bit RISC ARM® Cortex®-M7. Le MCU iveliswa yi-STMicroelectronics, ebonisa i-floating-point unit (FPU), isethi epheleleyo yemisebenzi ye-DSP, kunye neyunithi yokukhusela imemori (MPU) yokhuseleko oluphezulu lwesicelo. Phakathi kweeperipheral ezininzi ezikhoyo kwi-MCU yokusingatha, izinto eziphambili ziquka:

• 1 MB Inkumbulo edanyazayo
• 320 KB ye-SRAM
• I-Adaptive real-time accelerator (ART Accelerator™) ivumela ukuphunyezwa kwemeko ye-0 kwimemori edanyazayo.
• Isantya sokusebenza ukuya kuthi ga kwi-216 MHz
• 462 DMIPS / 2.14 DMIPS/MHz (Dhrystone 2.1) Ngoluhlu olupheleleyo lweempawu ze-MCU, nceda ubhekisele kwidatha yedatha ye-STM32F746ZGT6.

Microcontroller inkqubo/debugging

I-MCU yokusingatha inokucwangciswa kwaye ilungiswe ngaphezulu kweJTAG/ I-SWD ehambelana ne-2 × 5 i-pin header (1), ibhalwe njenge-PROG/DEBUG. Le header ivumela umdwelisi wenkqubo wangaphandle (umzekelo CODEGRIP okanye mikroProg) ukuba isetyenziswe. Ukucwangcisa umlawuli omncinci kunokwenziwa ngokusebenzisa i-bootloader ecwangciswe kwangaphambili kwisixhobo ngokungagqibekanga. Lonke ulwazi malunga nesoftware ye-bootloader inokufumaneka kwiphepha elilandelayo: www.mikroe.com/mikrobootloader

Ukusetha kwakhona kwe-MCU
Ibhodi ixhotyiswe ngeqhosha lokuseta kwakhona (2), elibekwe ngasemva kwebhodi. Isetyenziselwa ukuvelisa inqanaba le-LOW logic kwi-microcontroller yokusetha kwakhona iphini.

Iyunithi yokubonelela ngombane

Iyunithi yonikezelo lwamandla (PSU) inika amandla acocekileyo nalawulwayo, ayimfuneko ekusebenzeni ngokufanelekileyo kwebhodi yophuhliso ye-FPI mikromedia 5. I-MCU ebambeleyo, kunye nezinye iiperipherals, ifuna unikezelo lwamandla olulawulwayo nolungenangxolo. Ngoko ke, i-PSU yenzelwe ngononophelo ukulawula, ukuhluza, kunye nokusabalalisa amandla kuzo zonke iindawo ze-mikromedia 5 FPI. Ixhotyiswe ngamagalelo amathathu ahlukeneyo ombane, enikezela konke ukuguquguquka okufunwa yi-mikromedia 5 FPI, ngakumbi xa isetyenziswe kwintsimi okanye njengento edibeneyo yenkqubo enkulu. Kwimeko xa kusetyenziswa imithombo yamandla emininzi, isekethe yokutshintsha amandla ngokuzenzekelayo enezinto eziphambili ezichazwe kwangaphambili iqinisekisa ukuba eyona ifanelekileyo iya kusetyenziswa.

I-PSU iqulethe isekethe yokutshaja ibhetri ethembekileyo nekhuselekileyo, evumela ukuba ibhetri enye ye-Li-Po / Li-Ion ihlawuliswe. Amandla OR-ing ukhetho lukwaxhaswa, lubonelela ngonikezelo lwamandla olungaphazamisekiyo (UPS) ukusebenza xa umthombo wamandla wangaphandle okanye we-USB usetyenziswa kunye nebhetri.

Inkcazo eneenkcukacha

I-PSU inomsebenzi onzima kakhulu wokubonelela ngamandla kwi-MCU yomkhosi kunye nazo zonke iiperipherals ezingaphakathi, kunye neeperipherals eziqhagamshelwe ngaphandle. Enye yeemfuno eziphambili kukubonelela ngoku ngokwaneleyo ngoku, ukuphepha i-voltage yehla kwimveliso. Kwakhona, i-PSU kufuneka ikwazi ukuxhasa imithombo yamandla emininzi enevolthi eyahlukileyo yegamatages, ukuvumela ukutshintsha phakathi kwabo ngokubaluleka. Uyilo lwe-PSU, olusekwe kwiseti ye-ICs yokutshintsha amandla aphezulu eveliswe yi-Microchip, iqinisekisa umgangatho olungileyo kakhulu wevolthi yemveliso.tage, umlinganiselo ophezulu wangoku, kunye nokuncipha kwemitha yemitha yombane.

Kwigalelo stagI-e ye-PSU, i-MIC2253, i-IC yesilawuli esisebenza kakuhle sokunyusa ngokugqithisileyotage ukhuseleko iqinisekisa ukuba voltage igalelo kwi s elilandelayotagi-e ilawulwa kakuhle kwaye izinzile. Isetyenziselwa ukunyusa umthamotage of low-voltagimithombo yamandla e (i-Li-Po/Li-Ion ibhetri kunye ne-USB), ivumela i-s elandelayotage ukuhambisa i-3.3V kunye ne-5V elawulwa kakuhle kwibhodi yophuhliso. Iseti yamacandelo ahlukeneyo asetyenziselwa ukumisela ukuba umthombo wamandla wegalelo ufuna i-voltagetage ukomeleza. Xa imithombo yamandla emininzi iqhagamshelwe kanye, le sekethe ikwasetyenziselwa ukumisela inqanaba legalelo eliphambili: iqhagamshelwe ngaphandle kwe-12V PSU, amandla phezu kwe-USB, kunye nebhetri ye-Li-Po/Li-Ion.

Utshintsho phakathi kwemithombo yamandla ekhoyo yenzelwe ukubonelela ngokusebenza okungaphazamisekiyo kwebhodi yophuhliso. I-PSU elandelayotage isebenzisa i-MIC28511 ezimbini, i-synchronous stepdown (i-buck) abalawuli, abakwazi ukubonelela ukuya kwi-3A. I-MIC28511 IC isebenzisa i-HyperSpeed ​​Control® kunye ne-HyperLight Load® architectures, ebonelela ngempendulo yesikhashana ekhawulezayo kunye nokusebenza kakuhle komthwalo wokukhanya. Ngamnye kubalawuli ababini bebhakethi isetyenziselwa ukubonelela umbane kumzila wombane ohambelanayo (3.3V kunye ne-5V), kuyo yonke ibhodi yophuhliso kunye neeperipherals ezixhunyiwe.

Umqulutage reference

I-MCP1501, ivolthi echanekileyo ephezulutage reference evela Microchip isetyenziselwa ukunika vol echanekileyo kakhulutage reference engena voltage drift. Ingasetyenziselwa iinjongo ezahlukeneyo: olona setyenziso luqhelekileyo lubandakanya umthamotage iimbekiselo zee-A/D converters, D/A converters, kunye neperipherals zokuthelekisa kwi-MCU yomkhosi. I-MCP1501 inokubonelela ukuya kuthi ga kwi-20mA, inciphisa ukusetyenziswa kwayo kuphela kwi-voltagizicelo zokuthelekisa kunye ne-impedance ephezulu yegalelo. Ngokuxhomekeke kwisicelo esithile, nokuba yi-3.3V evela kumzila kaloliwe wamandla, okanye i-2.048V esuka kwi-MCP1501 inokukhethwa. Ijumpi ye-SMD ekwibhodi ebhalwe njengeREF SEL ibonelela ngeevolthi ezimbinitage iireferensi ezikhethiweyo:

• I-REF: 2.048V ukusuka kwi-high-precision voltage ireferensi IC
• 3V3: 3.3V ukusuka kuloliwe ongundoqo wokubonelela ngombane

Izixhumi ze-PSU

Njengoko kuchaziwe, uyilo oluphambili lwe-PSU luvumela iintlobo ezininzi zemithombo yamandla ukuba isetyenziswe, inikezela ukuguquguquka okungazange kubonwe ngaphambili: xa inikwe amandla yibhetri ye-Li-Po/Li-Ion, ibonelela ngenqanaba lokugqibela lokuzimela. Kwiimeko apho amandla angumba, anokuthi anikwe amandla ombane we-12VDC wangaphandle, oqhagamshelwe phezu kwe-terminal ye-screw terminal. Amandla ayingomba nokuba inikwe amandla kwintambo ye-USB. Inokuthi inikwe amandla phezu kwesidibanisi se-USB-C, kusetyenziswa unikezelo lwamandla olwenziwa yi-USB HOST (oko kukuthi ikhompyutha yobuqu), iadaptha yodonga lwe-USB, okanye ibhanki yamandla ebhetri. Kukho iziqhagamshelo ezintathu zobonelelo lwamandla ezikhoyo, nganye inenjongo yayo eyahlukileyo:

• I-CN6: Isidibanisi se-USB-C (1)
• I-TB1: Itheminali yeScrew ye-12VDC PSU yangaphandle (2)
• I-CN8: Umgangatho we-2.5mm pitch XH isidibanisi sebhetri (3)

Isidibanisi se-USB-C
Isidibanisi se-USB-C (esibhalwe njenge-CN6) sibonelela ngamandla avela kumamkeli we-USB (ngokuqhelekileyo iPC), ibhanki yamandla ye-USB, okanye iadaptha yodonga lwe-USB. Xa inikwe amandla phezu kwekhonkco le-USB, amandla akhoyo aya kuxhomekeka kumandla omthombo. Awona manqanaba aphezulu okalo, kunye nomthamo ovumelekileyo wegalelotagUluhlu lwe-e kwimeko xa unikezelo lombane lwe-USB lusetyenziswa, lunikwe kwitheyibhile uMfanekiso 6:

Ubonelelo lwamandla e-USB
Igalelo Voltage [V]		Imveliso Voltage [V]	Ubukhulu bangoku [A]	Amandla Aphezulu [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

Xa usebenzisa iPC njengomthombo wamandla, amandla aphezulu angafunyanwa ukuba i-PC yomkhosi ixhasa ujongano lwe-USB 3.2, kwaye ixhotyiswe ngezihlanganisi ze-USB-C. Ukuba i-PC yomninimzi isebenzisa i-USB 2.0interface, iya kukwazi ukunika amandla amancinci, kuba kuphela ukuya kwi-500 mA (2.5W kwi-5V) ekhoyo kuloo meko. Qaphela ukuba xa usebenzisa iintambo ze-USB ezinde okanye iintambo ze-USB zomgangatho ophantsi, i-voltagisenokuwa ngaphandle komthamo olinganisiweyo wokusebenzatage uluhlu, olubangela ukuziphatha okungalindelekanga kwebhodi yophuhliso.

PHAWULA: Ukuba umamkeli we-USB akaxhotyiswanga nge-USB-C isidibanisi, i-adaptha ye-USB ye-Type A ukuya ku-C ingasetyenziswa (ibandakanyiwe kwiphakheji).

12VDC isikrufu terminal

Umbane wangaphandle we-12V unokudityaniswa phezu kwetheminali ye-screw ye-2-pole (ebhalwe njenge-TB1). Xa usebenzisa unikezelo lwamandla lwangaphandle, kunokwenzeka ukuba ufumane umlinganiselo ophezulu wamandla, ekubeni enye iyunithi yokunikezelwa kwamandla yangaphandle ingatshintshwa ngokulula kunye nenye, ngelixa amandla ayo kunye neempawu zokusebenza zingagqitywa kwisicelo ngasinye. Ibhodi yophuhliso ivumela ubuninzi bangoku be-2.8A ngomzila wamandla ombane (3.3V kunye ne-5V) xa usebenzisa umbane wangaphandle we-12V. Awona manqanaba aphezulu okalo, kunye nomthamo ovumelekileyo wegalelotaguluhlu lwe-e kwimeko xa unikezelo lwamandla lwangaphandle lusetyenziswa, lunikwe kwitheyibhile uMzobo 7:

Unikezelo lwamandla lwangaphandle
Igalelo Voltage [V]		Imveliso Voltage [V]	Ubukhulu bangoku [A]	Amandla Aphezulu [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: Itheyibhile yonikezelo lwamandla yangaphandle.

Li-Po/Li-Ion XH isidibanisi ibhetri

Xa inikwe amandla yi-single-cell Li-Po/Li-Ion ibhetri, i-mikromedia 5 FPI inika inketho yokuba iqhutywe kude. Oku kuvumela ukuzimela okupheleleyo, ukuvumela ukuba kusetyenziswe kwiimeko ezithile kakhulu: iindawo ezinobungozi, izicelo zezolimo, njl njl. Umdibaniso webhetri ngumgangatho oqhelekileyo we-2.5mm pitch XH. Ivumela uluhlu lweebhetri ze-Li-Po kunye ne-Li-Ion ukuba zisetyenziswe. I-PSU ye-mikromedia 5 FPI inikezela ngokusebenza kwebhetri yokutshaja, ukusuka kwikhonkco le-USB kunye ne-12VDC / ukunikezelwa kwamandla angaphandle. Umjikelo wokutshaja ibhetri wePSU ulawula inkqubo yokutshaja ibhetri, ivumela iimeko zokutshaja ezifanelekileyo kunye nobomi obude bebhetri. Inkqubo yokutshaja iboniswa yi-BATT LED isalathisi, ebekwe ngasemva kwe-mikromedia 5 FPI.

Imodyuli yePSU ikwabandakanya isekethe yetshaja yebhetri. Ngokuxhomekeke kwisimo sokusebenza sebhodi yophuhliso ye-mikromedia 5 FPI, umbane wokutshaja unokusetwa kwi-100mA okanye i-500mA. Xa ibhodi yophuhliso icinyiwe, i-IC yetshaja iya kunika onke amandla akhoyo ngenjongo yokutshaja ibhetri. Oku kubangela ukutshaja ngokukhawuleza, kunye neseti yangoku yokutshaja malunga ne-500mA. Ngelixa i-ON, umsinga wokutshaja okhoyo uya kumiselwa malunga ne-100 mA, ukunciphisa ukusetyenziswa kwamandla ngokubanzi ukuya kwinqanaba elifanelekileyo. Awona manqaku aphezulu anika amandla kunye nomthamo ovumelekileyo wegalelotaguluhlu xa unikezelo lwamandla ebhetri lusetyenziswa, lunikwe kwitheyibhile uMfanekiso 8:

Unikezelo lwamandla ebhetri
Igalelo Voltage [V]		Imveliso Voltage [V]	Ubukhulu bangoku [A]	Amandla Aphezulu [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: Itafile yonikezelo lwamandla ebhetri.

Ukungabikho kombane kunye nonikezelo lombane olungaphazanyiswa (UPS)

Imodyuli yePSU ixhasa unikezelo lwamandla kwakhona: iya kutshintshela ngokuzenzekelayo kumthombo wamandla ofanelekileyo ukuba omnye wemithombo yamandla uyasilela okanye uyaqhawulwa. Ukunikezelwa kwamandla ombane kwakhona kuvumela ukusebenza okungaphazanyiswa (oko kukuthi ukusebenza kwe-UPS, ibhetri iya kunika amandla ukuba intambo ye-USB isusiwe, ngaphandle kokusetha kwakhona i-mikromedia 5 FPI ngexesha lokutshintsha).

Ukuqinisa i mikromedia 5 FPI ibhodi

Emva kokuba umthombo wonikezelo lwamandla osebenzayo uqhagamshelwe (1) kwimeko yethu nge-cell-cell Li-Po / Li-Ion ibhetri, i-mikromedia 5 FPI inokunikwa amandla kwi-ON. Oku kunokwenziwa ngotshintsho oluncinci kumda webhodi, obhalwe njenge SW1 (2). Ngokuyivula, imodyuli ye-PSU iya kwenziwa, kwaye amandla aya kuhanjiswa kwibhodi yonke. Isalathisi se-LED esibhalwe njenge-PWR sibonisa ukuba i-mikromedia 5 FPI inikwe amandla kwi-ON.

Umboniso oxhathisayo

Umgangatho ophezulu we-5” TFT umboniso wombala wokwenyani onephaneli yokuthintela ekwaziyo ukumelana nolona phawu lwahlukileyo lwe-mikromedia 5 FPI. Isiboniso sinesisombululo se-800 nge-480 pixels, kwaye sinokubonisa ukuya kuthi ga kwi-16.7M yemibala (ubunzulu bombala we-24-bit). Umboniso we-mikromedia 5 FPI ubonisa umlinganiselo ophezulu ngokufanelekileyo we-500: 1, ngenxa ye-18 yokukhanya okuphezulu kwe-LED ezisetyenziselwa ukukhanya ngasemva. Imodyuli yokubonisa ilawulwa yi-SSD1963 (1) umqhubi wegraphics IC evela kuSolomon Systech. Le yi-coprocessor enamandla yemizobo, exhotyiswe nge-1215KB yememori yesakhelo sebuffer. Ikwabandakanya ezinye iinkalo eziphambili ezifana ne-hardware ekhawulezileyo yokujikeleza umboniso, ukubonisa isipili, i-hardware yefestile, ulawulo oluguqukayo lwe-backlight, umbala ocwangcisiweyo kunye nokulawula ukukhanya, kunye nokunye.

Iphaneli yokumelana, esekelwe kwisilawuli se-TSC2003 RTP ivumela ukuphuhliswa kwezicelo ezisebenzisanayo, ezinikezela nge-interface yolawulo oluqhutywayo. Umlawuli wepaneli yokuchukumisa usebenzisa i-interface ye-I2C yonxibelelwano kunye nomlawuli womkhosi. Ixhotywe ngomgangatho ophezulu we-5 "umboniso (2) kunye nomlawuli oxhasa izijekulo, i-mikromedia 5 FPI imele indawo enamandla kakhulu ye-hardware yokwakha izicelo ezahlukeneyo ze-GUI-centric Human Machine Interface (HMI).

Ukugcinwa kwedatha

Ibhodi yokuphuhlisa i-mikromedia 5 FPI ixhotyiswe ngeentlobo ezimbini zememori yokugcina: kunye ne-slot yekhadi le-microSD kunye nemodyuli ye-Flash memory.

microSD ikhadi slot
I-slot yekhadi le-microSD (1) ivumela ukugcina inani elikhulu ledatha ngaphandle, kwimemori khadi ye-microSD. Isebenzisa i-digital input / output interface ekhuselekileyo (SDIO) yonxibelelwano kunye ne-MCU. Isekethe yokufumanisa ikhadi le-microSD nayo inikezelwe ebhodini. Ikhadi le-microSD lolona guqulelo luncinci lweKhadi le-SD, lilinganisa kuphela i-5 x 11 mm. Ngaphandle kobukhulu bayo buncinci, ivumela amanani amakhulu edatha ukuba agcinwe kuyo. Ukuze ufunde kwaye ubhale kwiKhadi le-SD, isoftware/i-firmware efanelekileyo esebenza kwi-MCU yokusingatha iyafuneka.

Ugcino oludanyazayo lwangaphandle
mikromedia 5 FPI ixhotyiswe nge-SST26VF064B Flash memory (2). Imodyuli yememori yeFlash inobuninzi be-64 Mbits. Iiseli zayo zokugcina zicwangciswe ngamagama angama-8, okukhokelela kwi-8Mb yememori engaguqukiyo iyonke, ekhoyo kwizicelo ezahlukeneyo. Ezona mpawu zibalaseleyo zemodyuli yeFlash ye-SST26VF064B sisantya esiphezulu, unyamezelo oluphezulu kakhulu, kunye nexesha elihle kakhulu lokugcinwa kwedatha. Iyakwazi ukumelana nemijikelo eyi-100,000 100, yaye inokugcina inkcazelo egciniweyo ngaphezu kweminyaka eli-XNUMX. Ikwasebenzisa ujongano lweSPI kunxibelelwano neMCU.

Uqhagamshelwano

mikromedia 5 FPI inikezela ngenani elikhulu leenketho zonxibelelwano. Iquka inkxaso ye-WiFi, RF kunye ne-USB (HOST / DEVICE). Ngaphandle kwezo zikhetho, ikwabonelela ngeziqhagamshelo ezintathu ezisemgangathweni ze-mikroBUS™ Shuttle. Luphuculo olukhulu lwenkqubo, njengoko ivumela ukudibana nesiseko esikhulu seCofa iibhodi™.

i-USB

Umsingathi we-MCU uxhotyiswe ngemodyuli yeperipheral ye-USB, evumela uqhagamshelo lwe-USB olulula. I-USB (i-Universal Serial Bus) ngumgangatho weshishini odume kakhulu ochaza iintambo, izihlanganisi, kunye neeprothokholi ezisetyenziselwa unxibelelwano kunye nonikezelo lwamandla phakathi kweekhompyuter kunye nezinye izixhobo. i-mikromedia 5 FPI ixhasa i-USB njenge-HOST/ DEVICE modes, ivumela uphuhliso loluhlu olubanzi lwezicelo ezisekelwe kwi-USB. Ixhotyiswe ngesidibanisi se-USB-C, esibonelela ngee-advan ezininzitages, xa kuthelekiswa neentlobo zangaphambili zeziqhagamshelo ze-USB (uyilo olulinganayo, umlinganiselo ophezulu wangoku, ubungakanani obuhlangeneyo, njl.njl). Ukukhetha imowudi ye-USB kwenziwa ngokusebenzisa isilawuli se-monolithic IC. Le IC ibonelela ngeSitishi soLungiselelo (CC) ubhaqo kunye nemisebenzi yesalathiso.

Ukuseta i-mikromedia 5 FPI njenge-USB HOST, i-pin ye-USB ye-PSW kufuneka imiselwe kwinqanaba eli-LOW logic (0) yi-MCU. Ukuba imiselwe kwinqanaba eliphakamileyo le-logic (1), i-mikromedia 5 FPI isebenza njenge-DEVICE. Ngelixa ukwimowudi ye-HOST, i-mikromedia 5 FPI ibonelela ngamandla phezu kwe-USB-C isidibanisi (1) kwi-DEVICE eqhotyoshelweyo. I-pin ye-USB ye-PSW iqhutywa yi-MCU yomninimzi, ivumela isofthiwe ukulawula imo ye-USB. I-ID ye-ID ye-USB isetyenziselwa ukufumanisa uhlobo lwesixhobo esifakwe kwi-port ye-USB, ngokweenkcukacha ze-OTG ze-USB: i-ID ye-ID ye-ID eqhagamshelwe kwi-GND ibonisa isixhobo se-HOST, ngelixa i-ID ye-ID ye-ID ifakwe kwi-impedance state ephezulu ( HI-Z) ibonisa ukuba iperipheral eqhagamshelweyo yi-DEVICE.

RF

mikromedia 5 FPI ibonelela ngonxibelelwano phezu band kanomathotholo ISM ehlabathini jikelele. Ibhendi ye-ISM igubungela uluhlu lwamaxesha phakathi kwe-2.4GHz kunye ne-2.4835GHz. Le bhendi yefrikhwensi igcinelwe ushishino, inzululwazi, kunye nokusetyenziswa kwezonyango (kungoko sisishunqulelo se-ISM). Ukongeza, ifumaneka kwihlabathi jikelele, iyenza ibe yeyona ndlela ifanelekileyo kwiWiFi, xa unxibelelwano lweM2M kumgama omfutshane lufuneka. i-mikromedia 5 FPI isebenzisa i-nRF24L01 + (1), i-transceiver ye-single-chip 2.4GHz ene-embedded baseband protocol injini, eveliswe yiNordic Semiconductors. Sisisombululo esigqibeleleyo sosetyenziso olungenazingcingo lwamandla asezantsi kakhulu. Le transceiver ixhomekeke kwi-modulation ye-GFSK, ivumela amazinga edatha kuluhlu ukusuka kwi-250 kbps, ukuya kwi-2 Mbps. Ukumodareyitha kwe-GFSK sesona sikimu sokumodareyitha isiginali ye-RF sisebenza kakuhle, sinciphisa i-bandwidth efunekayo, ngaloo ndlela kumoshwa amandla amancinci. I-nRF24L01+ ikwanayo ne-Enhanced ShockBurst™, i-packet-based data link layer. Ngaphandle kwezinye izinto ezisebenzayo, ibonelela ngesitishi esi-6 seMultiCeiver™, evumela ukusebenzisa i-nRF24L01+ kwitopology yenethiwekhi yinkwenkwezi. I-nRF24L01+ isebenzisa ujongano lweSPI ukunxibelelana ne-MCU yomkhosi. Ecaleni kwemigca yeSPI, isebenzisa izikhonkwane zeGPIO ezongezelelweyo zeSPI Chip Khetha, Chip Yenza, kunye nokuphazamiseka. Icandelo le-RF le-mikromedia 5 FPI likwabonisa i-antenna encinci ye-chip (4) kunye ne-SMA isinxibelelanisi se-eriyali yangaphandle.

WiFi

Imodyuli yeWiFi edumileyo (2) ebhalwe njenge CC3100 ivumela uqhagamshelo lweWiFi. Le modyuli sisisombululo esipheleleyo seWiFi kwitshiphu: sisiprosesa esinamandla senethiwekhi yeWiFi enenkqubo ephantsi yolawulo, ebonelela ngeTCP/IP stack, i-crypto injini enamandla ene-256-bit AES inkxaso, ukhuseleko lweWPA2, iteknoloji yeSmartConfig™, kunye nokunye okuninzi. Kaninzi. Ngokukhuphela i-WiFi kunye nemisebenzi yokuphatha i-Intanethi kwi-MCU, ivumela umphathi we-MCU ukuba aqhubekisele phambili izicelo zegraphical ezifuna kakhulu, ngaloo ndlela iyenza ibe sisisombululo esifanelekileyo sokongeza uqhagamshelo lwe-WiFi kwi-mikromedia 5 FPI. Isebenzisa ujongano lwe-SPI ukunxibelelana ne-MCU yenginginya, kunye nezikhonkwane ezongezelelweyo ze-GPIO ezisetyenziselwa ukusetha kwakhona, ukufihla, kunye nokuphazamisa ingxelo.

I-jumper ye-SMD ebhalwe njenge-FORCE AP (3) isetyenziselwa ukunyanzela imodyuli ye-CC3100 kwimodi yokuFikelela (AP), okanye kwimodi yesiKhululo. Nangona kunjalo, indlela yokusebenza yemodyuli yeCC3100 inokukhutshwa kwisoftware.

Le jumper ye-SMD ibonelela ngeendlela ezimbini:

• 0: i-FOCE AP pin itsalwa kwinqanaba le-LOW logic, inyanzelisa imodyuli ye-CC3100 kwimo ye-STATION
• 1: i-FOCE AP pin itsalwa kwinqanaba eliphakamileyo le-logic, inyanzelisa imodyuli ye-CC3100 kwimo ye-AP Kukho i-antenna ye-chip (4) ehlanganiswe kwi-PCB ye-mikromedia 5 FPI kunye ne-SMA isinxibelelanisi se-antenna yangaphandle ye-WiFi.

imikroBUS™ iziqhagamshelo zeshuttle

I-Mikromedia 5 ye-STM32 RESISTIVE FPI ibhodi yophuhliso isebenzisa isiqhagamshelo se-mikroBUS™ Shuttle, udibaniso olutsha kraca kumgangatho we-mikroBUS™ ngokohlobo lwe-2×8 ipini yentloko ye-IDC ene-1.27mm (50mil) inowuthi. Ngokungafaniyo neesokethi ze-mikroBUS™, iziqhagamshelo zeShuttle ze-mikroBUS™ zithatha indawo encinci kakhulu, zivumela ukuba zisetyenziswe kwiimeko apho kufuneka uyilo oluhlangeneyo. Kukho iziqhagamshelo ezintathu ze-mikroBUS™ Shuttle (1) kwibhodi yophuhliso, ezibhalwe ukusuka kwi-MB1 ukuya kwi-MB3. Ngokwesiqhelo, isinxibelelanisi se-mikroBUS™ Shuttle sinokusetyenziswa ngokudityaniswa nebhodi yokwandiswa kwe-mikroBUS™ Shuttle kodwa ayiphelelanga apho.

Ibhodi yokwandiswa kwe-mikroBUS™ Shuttle (2) yibhodi yokongeza exhotyiswe ngesokethi yesiqhelo ye-mikroBUS™ kunye nemingxunya emine yokufaka. Inokuqhagamshelwa kwi-mikroBUS™ isiqhagamshelanisi sokuShutha ngentambo eflethi. Oku kuqinisekisa ukuhambelana nesiseko esikhulu seCofa iibhodi™. Ukusebenzisa i-mikroBUS™ Shuttles ikwabonelela ngenani leenzuzo ezongezelelweyo:

• Xa usebenzisa iintambo ezisicaba, indawo ekuyo iMikroBUS™ Shuttle ayilungiswanga
• Iibhodi zokwandiswa kwe-mikroBUS™ Shuttle zinemingxuma eyongezelelweyo yokufaka yofakelo olusisigxina
• Ubude obungenamkhethe beentambo ezisicaba bunokusetyenziswa (kuxhomekeke kwiimeko ezithile zokusetyenziswa)
• Uqhagamshelwano lunokwandiswa ngokongezwa, ngokukhupha ezi ziqhagamshelo usebenzisa iShuttle cofa (3)

Ngolwazi oluthe vetshe malunga nebhodi yokwandiswa kwe-mikroBUS™ Shuttle kunye neShuttle

Cofa, nceda undwendwele web amaphepha:
www.mikroe.com/mikrobus-shuttle
www.mikroe.com/shuttle-cofa
Ngolwazi olongezelelweyo malunga ne-mikroBUS™, nceda undwendwele igosa web iphepha kwi www.mikroe.com/mikrobus

Iiperipherals ezinxulumene nesandi

Ngokunikezela ngeeperipherals ezinxulumene nesandi, i-mikromedia 5 FPI ijikeleza ingqikelelo yayo yemultimedia. Ifaka i-piezo-buzzer, ekulula kakhulu ukuyicwangcisa kodwa inokuvelisa kuphela ezona zandi zilula, ziluncedo kuphela kwiialamu okanye kwizaziso. Inketho yesibini yeaudio yiVS1053B IC enamandla (1). Yi-Ogg Vorbis/MP3/AAC/WMA/FLAC/WAV/MIDI audio decoder, kunye nePCM/IMA ADPCM/Ogg Vorbis encoder, zombini kwichip enye. Ibonisa undoqo we-DSP onamandla, umgangatho ophezulu we-A/D kunye ne-D/A abaguquli, umqhubi wee-headphones ze-stereo okwazi ukuqhuba umthwalo we-30Ω, ukufunyanwa kwe-zerocross kunye nokutshintsha kwevolumu egudileyo, i-bass kunye nolawulo lwe-treble, kunye nokunye okuninzi.

Piezo buzzer
I-piezo buzzer (2) sisixhobo esilula esikwaziyo ukuvelisa isandi. Iqhutywa yi-transistor encinci ye-pre-biased. I-buzzer inokuqhutywa ngokufaka uphawu lwe-PWM kwi-MCU kwisiseko se-transistor: i-pitch yesandi ixhomekeke kwi-frequency yesignali ye-PWM, ngelixa ivolumu inokulawulwa ngokutshintsha umjikelezo wayo womsebenzi. Kuba kulula kakhulu ukucwangcisa, kunokuba luncedo kakhulu kwii-alam ezilula, izaziso, kunye nezinye iintlobo zokubonakalisa isandi esilula.

I-CODEC yomsindo

Ukufuna izibonelelo kunye nemisebenzi enzima yokucutshungulwa komsindo inokukhutshwa kwi-MCU yomkhosi ngokusebenzisa i-codeC IC yomsindo ezinikeleyo, ebhalwe njenge-VS1053B (1). Le IC ixhasa iifomati ezininzi ezahlukeneyo zeaudio, ezifumaneka rhoqo kwizixhobo ezahlukeneyo zomsindo wedijithali. Iyakwazi ukufaka ikhowudi kwaye ichaze imijelo yomsindo ngokuzimeleyo ngelixa isenza imisebenzi enxulumene ne-DSP ngokuhambelanayo. I-VS1053B ineempawu ezininzi eziphambili ezenza le IC ikhetheke kakhulu xa kufikwa kukulungiswa komsindo.

Ngokunikezela ngoxinzelelo lwehardware ekumgangatho ophezulu (encoding), iVS1053B ivumela ukuba iaudio irekhodwe ithatha indawo encinci kakhulu xa kuthelekiswa nolwazi olufanayo lweaudio kwifomathi yayo eluhlaza. Ngokudibanisa ne-ADCs ezikumgangatho ophezulu kunye ne-DACs, umqhubi we-headphones, i-audio equalizer edibeneyo, ukulawulwa kwevolumu, kunye nokunye, kubonisa isisombululo esijikeleze naluphi na uhlobo lwesicelo somsindo. Kunye neprosesa yemizobo enamandla, iprosesa ye-VS1053B yomsindo ijikeleza ngokupheleleyo imiba yemultimedia yebhodi yophuhliso ye-mikromedia 5 FPI. Ibhodi ye-Mikromedia ye-FPI ye-5 ixhotywe nge-3.5mm i-headphone jack (3), evumela ukudibanisa i-headset nge-microphone.

Izinzwa kunye nezinye iiperipherals

Iseti yezinzwa ezongezelelweyo ze-onboard kunye nezixhobo zongeza omnye umaleko wokusebenziseka kwibhodi yophuhliso ye-mikromedia 5 FPI.

Uluvo lwentshukumo yedijithali
I-FXOS8700CQ, i-accelerometer edibeneyo ye-3-axis ephezulu kunye ne-3-axis magnetometer, inokubona iziganeko ezininzi ezinxulumene nentshukumo, kubandakanywa ukufunyanwa kwesiganeko sokuqhelaniswa, ukufunyanwa kwe-freefall, ukubhaqwa komothuko, kunye nempompo, kunye nokufunyanwa kwesiganeko esiphindwe kabini. Ezi ziganeko zinokuxelwa kwi-MCU yokusingatha phezu kwezikhonkwane ezimbini ezizinikezeleyo zokuphazamiseka, ngelixa ukuhanjiswa kwedatha kwenziwa kwi-interface yonxibelelwano ye-I2C. Isivamvo seFXOS8700CQ sinokuba luncedo kakhulu ekubhaqweni kokubonisa. Isenokusetyenziswa ukuguqula i-mikromedia 5 FPI ibe yisisombululo esipheleleyo se-e-compass ye-6-axis. Idilesi yekhoboka le-I2C inokutshintshwa ngokusebenzisa iijumpi ezimbini ze-SMD ezihlanganiswe phantsi kweleyibhile ye-ADDR SEL (1).

Iwotshi yexesha langempela (RTC)

I-MCU yokusingatha iqulethe imodyuli yewotshi yexesha langempela (RTC). Iperipheral ye-RTC isebenzisa umthombo ohlukeneyo wobonelelo lwamandla, ibhetri. Ukuvumela ukulandelwa kwexesha eliqhubekayo, i-mikromedia 5 FPI ixhotyiswe ngebhetri yeseli yeqhosha egcina ukusebenza kwe-RTC nokuba umbane oyintloko OFF. Ukusetyenziswa kwamandla aphantsi kakhulu kwe-RTC peripheral ivumela ezi bhetri ukuba zihlale ixesha elide. Ibhodi yophuhliso ye-mikromedia 5 FPI ixhotyiswe ngeqhosha lebhetri yefowuni (2), iyahambelana ne-SR60, LR60, i-364 iqhosha le-XNUMX iintlobo zebhetri yeeseli, evumela ukuba ibandakanye iwashi yexesha langempela ngaphakathi kwezicelo.

Khetha UMyili we-NECTO WE-GUI APPS
Yakha ii -apps ze-Smart GUI ngokulula ngomyili we-NECTO Studio kunye nethala leencwadi le-LVGL yemizobo.

Yintoni elandelayo?

Ngoku ulugqibile uhambo ngenqaku ngalinye le-mikromedia 5 yebhodi yophuhliso ye-STM32 RESISTIVE FPI. Uya kuzazi iimodyuli zayo kunye nombutho. Ngoku ukulungele ukuqalisa ukusebenzisa ibhodi yakho entsha. Sicebisa amanyathelo aliqela ekusenokwenzeka ukuba ayeyona ndlela ilungileyo yokuqalisa.

ABAHLANGANISI
I-NECTO Studio yindawo epheleleyo, edibeneyo yophuhliso oludibeneyo (i-IDE) yezicelo ezizinzisiweyo ezibonelela ngayo yonke into efunekayo ukuqalisa ukuphuhlisa, kunye ne-prototyping, kuquka i-Click board™ izicelo kunye nee-GUI zezixhobo ezifakwe ngaphakathi. Uphuhliso lwesoftware olukhawulezayo lufezekiswa ngokulula njengoko abaphuhlisi bengadingi ukuqwalasela ikhowudi yenqanaba eliphantsi, bebakhulula ukuba bagxininise kwikhowudi yesicelo ngokwayo. Oku kuthetha ukuba ukutshintsha i-MCU okanye iqonga lilonke akuyi kufuna ukuba abaphuhlisi baphinde baphuhlise ikhowudi yabo ye-MCU entsha okanye iqonga. Bangakwazi ukutshintshela kwiqonga elifunwayo, basebenzise inkcazo yebhodi echanekileyo file, kwaye ikhowudi yesicelo iya kuqhubeka iqhuba emva kokuhlanganiswa okukodwa. www.mikroe.com/necto.

GUI PROJECTS
Nje ukuba ukhuphele i-NECTO Studio, kwaye ekubeni sele uyifumene ibhodi, ukulungele ukuqalisa ukubhala iiprojekthi zakho zokuqala ze-GUI. Khetha phakathi kwabaqulunqi abaninzi be-MCU ethile ekwisixhobo se-mikromedia, kwaye uqalise ukusebenzisa enye yethala leencwadi lemizobo elidumileyo kushishino oluzinzisiweyo-ithala lemifanekiso le-LVGL, eliyinxalenye ye-NECTO Studio. Oku kwenza isiqalo esihle kakhulu kwiiprojekthi ze-GUI zexesha elizayo.

ULUNTU
Iprojekthi yakho iqala kwi-EmbeddedWiki - iqonga leeprojekthi ezizindisiweyo ezinkulu zehlabathi, ezineeprojekthi ezingaphezulu kwe-1M+ esele zilungele ukusetyenziswa, ezenziwe ngee-hardware eziyilwe kwangaphambili nezisemgangathweni kunye nezisombululo zesoftware esebenza njengesiqalo sokuphuhlisa iimveliso okanye usetyenziso olulungelelanisiweyo. Iqonga ligubungela izihloko ezili-12 kunye nezicelo ezingama-92. Khetha ngokulula i-MCU oyifunayo, khetha isicelo, kwaye ufumane ikhowudi esebenzayo eyi-100%. Nokuba ungumfundi oqalayo osebenza kwiprojekthi yakho yokuqala okanye ingcali enamava kwi-101st yakho, i-EmbeddedWiki iqinisekisa ukugqitywa kweprojekthi ngokwanelisayo, ukususa ixesha elingeyomfuneko.tage. www.embeddedwiki.com

INKXASO
I-MIKROE inikezela ngeNkxaso yeTekhnoloji yasimahla kude kube sekupheleni kobomi bayo, ke ukuba kukho into engahambi kakuhle, sikulungele kwaye sizimisele ukunceda. Siyazi ukuba kubaluleke kangakanani ukukwazi ukuthembela emntwini ngamaxesha xa sibambekile kwiiprojekthi zethu nangasiphi na isizathu, okanye sijongene nomhla wokugqibela. Yiyo loo nto iSebe lethu leNkxaso, njengenye yeentsika esekelwe kuzo inkampani yethu, ngoku ikwabonelela ngeNkxaso yobuGcisa bePremium kubasebenzisi beshishini, iqinisekisa nexesha elifutshane lezisombululo. www.microe.com/support

INKCAZELO

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I-MIKROE ayisayi kuthatha xanduva okanye uxanduva lwazo naziphi na iimpazamo, izinto ezishiyiweyo kunye nezingachanekanga ezinokuvela kule ncwadana. I-MIKROE, abalawuli bayo, amagosa, abasebenzi okanye abasasazi bayo bayakuba noxanduva lwawo nawuphi na umonakalo ongathanga ngqo, othe ngqo, onokwenzeka okanye osisiphumo (kubandakanywa nomonakalo welahleko yengeniso yeshishini kunye nolwazi lweshishini, uphazamiseko lweshishini okanye nayiphi na enye ilahleko yemali) evela ukusetyenziswa kwale ncwadana yemigaqo okanye imveliso, nokuba i-MIKROE icetyisiwe malunga nokuba nokwenzeka komonakalo onjalo. I-MIKROE inelungelo lokutshintsha ulwazi oluqulethwe kule ncwadana nangaliphi na ixesha ngaphandle kwesaziso sangaphambili, ukuba kuyimfuneko.

IMISEBENZI YOMNGCIPHEKO OMKHULU
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AMANQAKU zorhwebo

Igama nelogo ye-MIKROE, ilogo ye-MIKROE, mikroC, mikroBasic, mikroPascal, mikroProg, mikromedia, Fusion, Cofa iibhodi™ kunye ne-mikroBUS™ ziimpawu zorhwebo ze-MIKROE. Zonke ezinye iimpawu zorhwebo ezikhankanywe apha ziyipropathi yeenkampani zabo. Zonke ezinye imveliso kunye namagama eenkampani avela kule ncwadana zingabhaliswa okanye zingabhaliswanga njengeempawu zorhwebo okanye amalungelo okukopisha eenkampani zawo, kwaye asetyenziselwa ukuchongwa okanye ingcaciso kunye nenzuzo yabanini, kungekho njongo yokwaphula umthetho. Ilungelo lokushicilela © MIKROE, 2024, Onke Amalungelo Agciniwe.

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Amaxwebhu / Izibonelelo

Ibhodi ye-MIKROE STM32F407ZGT6 ye-Multiadapter Prototype [pdf] Incwadi Yomyalelo STM32F407ZGT6, STM32F746ZGT6, STM32F407ZGT6 Multi Adapter Prototype Board, STM32F407ZGT6, Multi Adapter Prototype Board, Adapter Prototype Board, Ibhodi yePrototype, iBhodi

Iimbekiselo

• Incwadi yokusebenzisa