Raspberry Pi RP2350B Microcontroller

Dual Arm Cortex-M33 cores with hardware single-precision floating point and DSP instructions @ 150MHz.

Comprehensive security architecture, built around Arm TrustZone for Cortex-M.

Second-generation PIO subsystem provides flexible interfacing with no CPU overhead.

Specification

• Dual Arm Cortex-M33 or dual Hazard3 RISC-V processors @ 150MHz
  520 KB on-chip SRAM

•     ARM TrustZone for Cortex-M
•     Optional boot signing, enforced by on-chip mask ROM, with key fingerprint in OTP
•     Protected OTP storage for optional boot decryption key
•     Global bus filtering based on Arm or RISC-V security/privilege levels
•     Peripherals, GPIOs, and DMA channels individually assignable to security domains
•     Hardware mitigations for fault injection attacks
•     Hardware SHA-256 accelerator
  2 × UART
  2 × SPI controllers
  2 × I2C controllers
  24 × PWM channels
  4/8 x ADC channels
  1 × USB 1.1 controller and PHY, with host and device support
  12 × PIO state machines
  Software-compatible with RP2040
  Open source C/C++ SDK, MicroPython support
  Various packaging options:

•     RP2350A: 30 GPIO, 7×7 QFN60

•     RP2350B: 48 GPIO, 10×10 QFN80
•     RP2354A: 30 GPIO, 7×7 QFN60, 2MB stacked flash

•     RP2354B: 48 GPIO, 10×10 QFN80, 2MB stacked flash