RP2350B

Part: RP2350 — Raspberry Pi

Type: Microcontroller

Description: High-performance, secure microcontroller featuring dual Arm Cortex-M33 or dual Hazard3 RISC-V processors at 150MHz, 520 KB on-chip SRAM, and comprehensive security architecture built around Arm TrustZone for Cortex-M.

Operating Conditions:

• Supply voltage (VREG_VIN): 2.7 V to 5.5 V
• GPIO supply voltage (IOVDD): 1.8 V to 3.3 V
• Max CPU clock: 150 MHz

Key Specs:

• CPU Cores: Dual Arm Cortex-M33 or dual Hazard3 RISC-V
• On-chip SRAM: 520 KB
• External Flash/PSRAM Support: Up to 16 MB via QSPI bus (additional 16 MB via optional second chip-select)
• Programmable I/O (PIO) State Machines: 12 (across 3 co-processors)
• USB: 1.1 controller and PHY, with host and device support
• GPIO Pins: 30 or 48
• ADC Channels: 4 or 8

Features:

• Arm TrustZone for Cortex-M
• Signed boot, enforced by on-chip mask ROM
• 8KB antifuse OTP for key storage
• SHA-256 acceleration
• Hardware TRNG
• Fast glitch detectors
• Global bus filtering based on security/privilege levels
• Peripherals, GPIOs, and DMA channels individually assignable to security domains
• Hardware mitigations for fault injection attacks

Applications:

• Cost-optimised embedded computing
• Secure applications requiring trusted firmware
• Industrial IoT deployments with demanding I/O requirements

Package:

• QFN-60 (30 GPIO, 4 ADC)
• QFN-80 (48 GPIO, 8 ADC)

CPU:

Dual Arm Cortex-M33 or dual Hazard3 RISC-V processors @ 150MHz

Memory:

• 520 KB on-chip SRAM, in ten independent banks

• Support for up to 16 MB of external QSPI flash/PSRAM via dedicated QSPI bus; additional 16 MB flash/PSRAM accessible via optional second chip-select

Peripherals:

• 2 × UART

• 2 × SPI controllers

• 2 × I2C controllers

• 24 × PWM channels

• 4/8 × ADC channels

• 1 × USB 1.1 controller and PHY, with host and device support

• 12 × PIO state machines

Security features:

• 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

Production lifetime:

Raspberry Pi understands the value to customers of long-term product availability and therefore aims to continue supply for as long as practically possible. We expect RP2350 to remain in production until at least January 2045.

Compliance:

For a full list of local and regional product approvals, please visit pip.raspberrypi.com