RP2350
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RP2350 is a 32-bit dual ARM Cortex-M33 and Hazard3 RISC-V microcontroller integrated circuit by Raspberry Pi Ltd.[1] In August 2024, it was released as part of the Raspberry Pi Pico 2 board.[2]
Overview
[edit]Announced on 8 August 2024, the RP2350 is the second microcontroller designed by Raspberry Pi Ltd, after the RP2040.[2] The microcontroller is low cost, with the Raspberry Pi Pico 2 being introduced at US$5 and the RP2350 itself costing as little as US$0.80 in bulk. The microcontroller is software-compatible with the RP2040 and can be programmed in assembly, C, C++, Free Pascal, Rust, MicroPython, CircuitPython, and other languages.
The RP2350 comes in four versions, which are identified by the number of cores (2), the last digit of the core type (3), log₂ of the number of 16kB RAM blocks (5), log₂ of the number of 128 kB flash storage blocks (0 or 4), and a letter denoting package type (A or B):[3]
- RP2350A with 30 GPIO in a 7 × 7 mm 60-pin package
- RP2350B with 48 GPIO in a 10 × 10 mm 80-pin package
- RP2354A, which is the RP2350A with stacked 2 MB of flash
- RP2354B, which is the RP2350B with stacked 2 MB of flash
At announcement time, seventeen other manufacturers had products expected to be available within a month:
- 4D Systems
- Adafruit
- Bus Pirate
- Cytron
- Hellbender
- Ignys
- Invector Labs
- Melopero
- NewAE
- Pimoroni
- Seeed
- Solder Party
- SparkFun
- Switch Science
- ThisisNotRocketScience
- Tiny Circuits
- Wiznet
Features
[edit]The chip is 5.3 mm2 (0.0082 sq in) silicon die in a 7 × 7 mm QFN-60 or 10 × 10 mm QFN-80 surface-mount device (SMD) package.[2]
- Key features:
- 150 MHz dual ARM Cortex-M33 and Hazard3 RISC-V cores
- Each Cortex-M33 core has FPU and DSP support
- 520 kB SRAM in ten concurrently accessible banks
- 8 kB of one-time-programmable (OTP) memory
- QSPI bus controller, supporting external flash and PSRAM
- Optional in-package 2 MB QSPI NOR flash connected to first chip select
- DMA controller
- AHB crossbar, fully-connected
- On-chip switched-mode power supply and programmable low-dropout regulator (LDO) to generate core voltage
- Two on-chip PLLs to generate 48 MHz USB and 150MHz core clocks
- RP2350A has 30 GPIO pins, of which four can optionally be used as analog inputs, RP2350B has 48 GPIO pins where eight can be used as analog inputs.
- Optional boot signing with protected OTP storage
- Hardware SHA-256 accelerator
- Hardware random number generator (TRNG)
- 150 MHz dual ARM Cortex-M33 and Hazard3 RISC-V cores
- Peripherals:
See also
[edit]- RP2040
- Arduino – a popular microcontroller board family
- ESP32 – a series of low-cost, low-power system on a chip microcontrollers with integrated Wi-Fi and dual-mode Bluetooth.
- STM32 – a family of 32-bit microcontroller integrated circuits
- Raspberry Pi – Raspberry Pi's series of small single board computers
References
[edit]- ^ "RP2350". Raspberry Pi.
- ^ a b c Upton, Eben (8 August 2024). "Raspberry Pi Pico 2, our new $5 microcontroller board, on sale now". Raspberry Pi. Retrieved 8 August 2024.
- ^ Pounder, Les (23 August 2024). "What's inside the Raspberry Pi Pico 2's RP2350?". Tom's Hardware. Retrieved 25 August 2024.
External links
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