Morero oa Raspberry Pi o hlahisitse boto e ncha, Raspberry Pi Pico 2, e tsoelang pele nts'etsopele ea liboto tse nyane Pico le Pico W, tse nang le microcontroller ea moralo oa eona. Boto e entsoe fekthering ea Sony 'me e fumaneha ka $5. Joalo ka liboto tse fetileng tsa Pico, mofuta o mocha o reretsoe ho arolelana likhomphutha tsa Raspberry Pi, ho nts'etsapele lits'ebetso tse kentsoeng le litsamaiso tsa taolo bakeng sa lisebelisoa tse fapaneng. Qetellong ea selemo, ho reriloe ho eketsa mofuta oa Pico 2 W ka tšehetso bakeng sa Bluetooth le Wi-Fi (2.4GHz 802.11n), e kentsoeng motheong oa Infineon CYW43439 chip.
Boto ea Pico 2 e bohlokoa bakeng sa ts'ebeliso ea "microcontroller" e ncha ea RP2350, eo, ha e bapisoa le RP2040 microcontroller e sebelisitsoeng mefuteng e fetileng, e kenyelletsa processor e matla ho feta ea mantlha ea ARM Cortex-M33 e nang le DSP le karolo e phaphametseng e sebetsang khafetsa. ea 150 MHz (eo pele e neng e le ARM Cortex-M0+ e ne e sebelisoa 133 MHz). Ho feta moo, li-cores tse peli tsa boikhethelo tsa Hazard3 tse nang le meralo ea RISC-V ea litaelo li kenyellelitsoe, tse ka fetisetsoang ho nako ea boot bakeng sa tšebeliso ho fapana le li-cores tsa ARM Cortex-M33.
Chip e na le 520 KB ea RAM e hahiloeng (eo pele e neng e le 264 KB), e u lumella ho hokela li-module tsa memori tsa QSPI PSRAM tsa kantle le ho fana ka bokhoni bo tsoetseng pele ba ts'ireletso. Boto ea Pico 2 e tla le 4MB QSPI Flash, e fetang ea mofuta o fetileng habeli. Ka nako e ts'oanang, boto e lumellana ka ho feletseng le mehlala e fetileng boemong ba hardware interfaces le software e sebelisetsoang nts'etsopele ea kopo.
Chip ea RP2350 e na le ts'ireletso ea hardware e hahelletsoeng khahlanong le litlhaselo tsa Fault Injection mme e ts'ehetsa theknoloji ea Arm TrustZone, e ka sebelisetsoang ho netefatsa lits'oants'o ka signature ea dijithale, e fana ka litaelo tsa ho potlakisa lipalo tsa SHA-256 hashes le moloko o tšepahalang oa linomoro (TRNG, Jenereithara ea 'Nete ea Random Nomoro). Ntle le moo, 8 KB ea memori e hlophisitsoeng ea nako e le 'ngoe e fanoa, e etsang hore ho khonehe ho rekota data e ke keng ea fetoloa kapa ea hlakoloa.
Lipuo C, C++, MicroPython kapa CircuitPython li ka sebelisoa ho theha lits'ebetso. Nts'etsopele ho C / C ++ e ka etsoa ho Visual Studio Code editor moo ho abuoang tlatsetso e khethehileng. Bokhoni ba chip bo lekane ho tsamaisa lits'ebetso tsa ho rarolla mathata a ho ithuta ka mochini, bakeng sa nts'etsopele eo ho nang le boema-kepe ba moralo oa TensorFlow Lite. Bakeng sa phihlello ea marang-rang, ho khothaletsoa ho sebelisa lwIP network stack, e kenyellelitsoeng ho Pico SDK bakeng sa ho nts'etsapele lits'ebetso ka puo ea C, hammoho le ho firmware e nang le MicroPython.
Litšebelisano tse phatlalalitsoeng ka thoko le lik'hamphani 4D Systems, Adafruit, Bus Pirate, Cytron, Hellbender, Ignys, Invector Labs, Melopero, NewAE, Pimoroni, Seeed, Solder Party, SparkFun, Switch Science, ThisisNotRocketScience, Tiny Circuits le Wiznet ea bona, liboto tsa likhetho le lisebelisoa tse thehiloeng ho RP2350 microcontroller. Lihlahisoa tse ntseng li ntlafatsoa li kenyelletsa: li-skrini tsa gen4-RP2530, boto ea Arduino-compatible Adafruit Feather RP2350, Bus Pirate 5XL le Bus Pirate 6 liboto tsa nts'etsopele, Cytron IRIV I/O molaoli oa indasteri, molaoli oa liroboto oa MOTION 2350 Pro, Hellbender RP2350 liboto tsa nts'etsopele le liboto tsa ntlafatso tsa IRP2350. Challenger+ RP2350 BConnect board, Melopero Perpetuo LoRa le NewAE RP2350, Pimoroni Tiny 2350, Plasma 2350, PGA2350, Seeed XIAO RP2350, Solder Party RP2350 Setempe, SparkFun Pro Micro le SwitchScience Synchs , Lipotoloho Tse Nyane Thumby Mebala ea papali ea mebala.
Source: opennet.ru
