Le projekthi I-Raspberry Pi yatyhilwa ngeposi blog ukuqaliswa kwe "Raspberry Pi Pico 2" entsha, eboniswa njengenguquko yeebhodi ezincinci zePico kunye nePico W, zixhotyiswe nge-microcontroller eyilwe nguRaspberry Pi.
Raspberry Pi Pico 2 iza enkosi kwintsebenziswano eyenziwe yiprojekthi yeRaspberry Pi kunye neSony kwiinyanga ezimbalwa ezidlulileyo, ekubeni yenziwa kwiplanti yakwaSony. Ixabiso kwi-5 yeedola, igcina ingqwalasela yayo ekuphuhliseni iinkqubo ezidibeneyo kunye nokulawula izixhobo ezahlukeneyo, njengangaphambili.
Iimpawu eziphambili zeRaspberry Pico 2
Le plate intsha ibandakanya iintlobo ngeentlobo zophuculo olubalulekileyo (ngokusekelwe kwiimpawu zePico kunye nePico W), phakathi kwazo ibalaselisa i-RP2350 microcontroller: i-microcontroller ehlaziyiweyo, leyo kuphucula kakhulu ukusebenza xa kuthelekiswa neRP2040 isetyenziswe kwiimodeli zangaphambili. Ixabiso le-RP2350 Ineprosesa ye-ARM-Cortex-M33 ene-double-core ene-DSP (I-Digital Signal Processing) kunye neyunithi yendawo edadayo, esebenza ngokuphindaphindiweyo kwe-150 MHz, xa kuthelekiswa ne-133 MHz ye-ARM Cortex-M0 + yesizukulwana sangaphambili.
Ixabiso le-RP2350, yazisa uluhlu olubalulekileyo lokhuseleko kunye nokuphuculwa komsebenzi, njenge ukhuseleko kuhlaselo lwesitofu esinempazamo, kuba ibandakanya iindlela zokukhusela izixhobo ezenzelwe ukukhusela uhlaselo lwesitofu esinempazamo, iindlela ezisetyenziselwa ukuguqula ukusebenza kwesixhobo ukuze kwaphule ukhuseleko lwaso.
Ukongeza kuyo, I-RP2350 ixhasa ubuchwepheshe beArm TrustZone, enika indawo ekhuselekileyo yokusebenza. Le teknoloji ivumela ukuqinisekiswa kokukhuphela usebenzisa iisignesha zedijithali,ukuqinisekisa ukuba kuphela isoftware eqinisekisiweyo nethembekileyo esebenzayo. I-chip iquka imiyalelo ethile ekhawulezisa ukubalwa kwe-SHA-256 hashes, ebalulekileyo kwintembeko yedatha kunye nokhuseleko lwe-cryptographic. Ukongeza, ine-generator yenombolo engahleliwe (TRNG)**, ebonelela ngamanani akumgangatho ophezulu we-random ukuze asetyenziswe kwi-cryptography.
Ku Ezinye izinto ezibalaseleyo kwiRaspberry Pi Pico 2:
- I-RISC-V cores (Ngokhetho): Ukongeza kwii-ARM cores, i-microcontroller ibandakanya ii-cores ze-Hazard3 ezikhethiweyo, ezisekelwe kwi-architecture ye-RISC-V, enokuthi isebenze ngexesha lokuqalisa ukuze ithathe indawo ye-ARM Cortex-M33 ukuba ifunwa.
- Inkumbulo ephuculweyo: I-RP2350 ibandakanya i-520 KB ye-RAM edibeneyo, ephantse iphindwe kabini i-264 KB yemodeli yangaphambili. Ikwaxhasa ukudibanisa iimodyuli zememori ye-QSPI ye-PSRAM yangaphandle, evumela ukuguquguquka okukhulu kwizicelo ezifuna imemori engaphezulu.
- Ukugcinwa kweFlash: Ibhodi ye-Pico 2 iza ixhotyiswe nge-4 MB yememori ye-QSPI Flash, iphindwe kabini kwinguqulo yangaphambili, inikezela indawo eninzi yeprogram kunye nokugcinwa kwedatha.
- Ukuhambelana: Ngaphandle kokuphuculwa, i-Pico 2 igcina ukuhambelana ngokupheleleyo kunye neemodeli zangaphambili kwinqanaba le-hardware kunye nesofthiwe, okwenza kube lula ukufuduka iiprojekthi ezikhoyo.
Inxalenye yezakhono zophuhliso eziboniswa yiRaspberry Pi Pico 2 enkosi kwi-RP2350 usebenzisa, kukhankanyiwe ukuba abaphuhlisi banako yenza izicelo zeC, C ++, MicroPython okanye iCircuitPython. Ezi lwimi zibonelela ngoluhlu olubanzi lwezakhono, ukusuka kwiprogram ephantsi kunye neC / C ++ ukuya kwiprototyping ekhawulezayo ngeMicroPython kunye neCircuitPython.
Kwakhona iRaspberry Pi Pico 2 ivumela ukuphunyezwa kokusetyenziswa komatshini wokufunda, ekubeni izibuko lesakhelo seTensorFlow Lite sikhona, esenza kube lula ukuphumeza imifuziselo yokufunda koomatshini ngokuthe ngqo ebhodini. Ukunxibelelana kwenethiwekhi, i-lwIP networking stack ingasetyenziswa, ifakwe kwi-Pico SDK yokuphuhlisa izicelo kwi-C. Ikwafumaneka kwi-firmware ye-MicroPython, evumela izicelo ezibhalwe ngolu lwimi ukuba zisebenzisane namanethiwekhi ngokufanelekileyo.
Okokugqibela, kufanelekile ukukhankanya ukuba iprojekthi yeRaspberry Pi iqikelela ukuba iRaspberry Pi Pico 2 yenzelwe ukuba sisixhobo esinamandla nesiguquguqukayo, esifanelekileyo kubo bobabini abanomdla wokuzilibazisa kunye nabaphuhlisi abaziingcali abasebenza kwiinkqubo ezizinzisiweyo kunye nezicelo ze-IoT. Ukongeza, kunye nokufika okuzayo kwePico 2 W, eya kubandakanya ukuqhagamshelwa ngaphandle kwamacingo, uphuhliso kunye namathuba oqhagamshelwano lweeprojekthi ezisebenzisa eli qonga zandiswa ngakumbi (inkxaso yeBluetooth kunye ne-2,4 GHz 802.11n Wi-Fi iya kubandakanywa, ngokusekelwe i-Infineon CYW43439 chip).
Ukuba ukhona unomdla wokwazi ngakumbi ngayo, ungajonga iinkcukacha Kule khonkco ilandelayo.