Iyo purojekiti Raspberry Pi yakavhurwa kuburikidza ne blog post kutangwa kweiyo nyowani "Raspberry Pi Pico 2", iyo inoratidzwa seshanduko yeanozivikanwa Pico uye Pico W madiki mabhodhi, ane microcontroller yakagadzirwa naRaspberry Pi.
Raspberry Pi Pico 2 inouya nekuda kwekudyidzana kwakagadzirwa neRaspberry Pi chirongwa uye Sony mwedzi mishoma yapfuura, sezvo yakagadzirwa paSony plant. Inotengeswa pamadhora mashanu, inochengetedza tarisiro yayo pakugadzira akadzamirirwa uye ekudzora masisitimu emhando dzakasiyana dzemidziyo, seyakafanotangira.
Mamiriro makuru eiyo Raspberry Pi Pico 2
Ndiro itsva iyi inobatanidza zvakasiyana-siyana zvekuvandudzwa kwakakosha (zvichienderana nehunhu hwePico uye Pico W), pakati payo inoratidza iyo RP2350 microcontroller: yakagadziridzwa microcontroller, iyo inovandudza zvakanyanya kuita zvichienzaniswa neRP2040 yakashandiswa mumamodheru apfuura. Iyo RP2350 Iyo ine mbiri-yakakosha ARM Cortex-M33 processor ine DSP (Digital Signal Processing) uye inoyangarara point unit, inoshanda pafrequency ye150 MHz, ichienzaniswa ne133 MHz yeARM Cortex-M0+ yechizvarwa chakapfuura.
Iyo RP2350, inosuma nhevedzano yekuchengetedzwa kwakakosha nekuvandudzwa kwemaitiro, zvakadai se kudzivirirwa pakurwiswa kwejekiseni remhosva, sezvo ichisanganisira nzira dzekudzivirira dzehardware dzakagadzirirwa kudzivirira kubva mukurwiswa kwejekiseni, ari matekiniki anoshandiswa kushandura mashandiro emudziyo kuitira kukanganisa kuchengetedzwa kwayo.
Pamusoro pazvo, Iyo RP2350 inotsigira Arm TrustZone tekinoroji, iyo inopa nzvimbo yakachengeteka yekuuraya. Iyi tekinoroji inobvumira kuongororwa kwekurodha kuburikidza nedhijitari siginecha,kuve nechokwadi chekuti software chete yakatendeseka uye yakavimbika inomhanya. Iyo chip inosanganisira yakananga mirairo inomhanyisa kuverenga kweSHA-256 hashes, yakakosha kune data kutendeseka uye cryptographic chengetedzo. Pamusoro pezvo, ine jenareta yenhamba isina kujairika (TRNG)**, iyo inopa nhamba dzemhando yepamusoro dzekushandisa mukunyorera.
Of the Zvimwe zvinhu zvinomira pachena kubva kuRaspberry Pi Pico 2:
- RISC-V cores (Sarudzo): Pamusoro peiyo ARM cores, iyo microcontroller inosanganisira mbiri yakasarudzika Hazard3 cores, yakavakirwa paRISC-V architecture, inogona kuvhurwa panguva yebhutsu kutsiva iyo ARM Cortex-M33 cores kana ichidikanwa.
- Memory yakavandudzwa: Iyo RP2350 inosanganisira 520 KB ye RAM yakabatanidzwa, inenge yakapetwa kaviri iyo 264 KB yemhando yapfuura. Inotsigirawo kubatanidza ekunze QSPI PSRAM memory modules, ichibvumira kushanduka kukuru mumashandisirwo anoda imwe ndangariro.
- Flash Storage: Iyo Pico 2 bhodhi inouya yakashongedzerwa ne4 MB yeQSPI Flash memory, yakapetwa kaviri iyo yekare vhezheni, ichipa yakawanda nzvimbo yechirongwa uye kuchengetedza data.
- Kubatana: Zvisinei nekuvandudzwa, iyo Pico 2 inochengetedza kuenderana kwakazara nemamodheru apfuura pahardware uye software level, zvichiita kuti zvive nyore kutamisa mapurojekiti aripo.
Kune chikamu yehunyanzvi hwekuvandudza iyo Raspberry Pi Pico inopa 2 nekuda kweRP2350 uchishandisa, zvinonzi vanogadzira vanogona gadzira zvikumbiro zveC, C++, MicroPython kana CircuitPython. Mitauro iyi inopa huwandu hwakasiyana hwekugona, kubva padanho repasi-danho neC/C++ kusvika nekukurumidza prototyping neMicroPython uye CircuitPython.
Zvakare iyo Raspberry Pi Pico 2 inobvumira kuitwa kwemichina yekudzidza maapplication, sezvo chiteshi cheTensorFlow Lite chimiro chiripo, izvo zvinoita kuti zvive nyore kushandisa michina yekudzidza modhi zvakananga pabhodhi. Nekubatanidza network, unogona kushandisa lwIP networking stack, inosanganisirwa muPico SDK yekugadzira C application.
Chekupedzisira, zvakakosha kuti titaure kuti iyo Raspberry Pi purojekiti inofungidzira kuti Raspberry Pi Pico 2 yakagadzirirwa kuve chishandiso chine simba uye chinogoneka, chakakodzera kune vese vanoita zvekutamba uye vanogadzira nyanzvi vanoshanda pamasisitimu akaiswa uye maIoT maapplication. Uye zvakare, nekuuya kuri kuuya kwePico 2 W, iyo ichasanganisira isina waya yekubatanidza, kusimudzira uye yekubatanidza mikana yemapurojekiti uchishandisa iyi chikuva inowedzerwa (rutsigiro rweBluetooth uye 2,4 GHz 802.11n Wi-Fi ichaverengerwa, zvichibva pa iyo Infineon CYW43439 chip).
Kana uri kuda kuziva zvakawanda nezvazvo, unogona kutarisa ruzivo Mune inotevera chinongedzo.