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Adafruit Feather RP2350

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Adafruit Feather RP2350

The Adafruit Feather RP2350 brings the powerful RP2350 microcontroller to the classic Feather form factor, giving you full compatibility with the entire FeatherWing ecosystem. With dual Cortex-M33 cores running at 150 MHz, 520 KB of SRAM, and 8 MB of flash, this board delivers roughly twice the performance of RP2040-based Feathers.

The RP2350 is a significant upgrade over its predecessor — the M33 cores include hardware floating-point support, there are three PIO blocks (12 state machines total instead of 8), TrustZone secure boot, and a High Speed Transmit (HSTX) peripheral for driving differential data such as DVI output without overclocking or consuming PIO resources. An unpopulated SOIC PSRAM footpad with chip select on GPIO 8 lets you add external PSRAM if needed.

Key Features

  • RP2350 Dual Cortex-M33 – 150 MHz with FPU (also supports dual RISC-V cores), 520 KB SRAM, 8 KB OTP
  • 8 MB QSPI Flash – Stores firmware and CircuitPython/MicroPython code and files (~7 MB usable with Python)
  • 29 GPIO Pins – 21 on Feather headers, 8 on the 22-pin HSTX connector (usable as general GPIO too)
  • Four 12-bit ADCs – One more analogue input than Pico 2
  • 24 PWM Channels – For servos, LEDs, motor control, and more
  • 12 PIO State Machines – Three PIO blocks for custom peripherals and protocols
  • USB Type C – Built-in ROM UF2 bootloader and serial port debugging
  • STEMMA QT / Qwiic Connector – Plug-and-play I2C sensor connectivity with no soldering
  • Built-in LiPo Charger – 200 mA+ charging with status LED; disable via jumper for non-rechargeable batteries
  • RGB NeoPixel + Red LED – NeoPixel for full-colour status indication, red LED on pin #7
  • SWD Debug Port – 3-pin JST SH connector compatible with Pico Probe
  • Hardware Security – SHA-256 accelerator, true random number generator (TRNG), TrustZone secure boot with OTP key storage
  • 500 mA 3.3 V Regulator – 12 MHz crystal, 4 mounting holes

Also Available

Programming Support

  • CircuitPython – Recommended for beginners; extensive driver and sensor library support
  • MicroPython – Official port available
  • Arduino – Supported via the Earlephilhower core
  • C/C++ – Full access via the Pico SDK
Note: Hold the BOOTSEL button while plugging in USB (or pulling RUN/Reset to ground) to enter the UF2 bootloader — do not double-click reset.
Note: This board ships with the A2 revision of the RP2350, which is affected by the E9 erratum. Some GPIO and PIO functions (high-impedance inputs, internal pull-downs) may require 8.2 KΩ or smaller external resistors as a workaround.

Ideal For

  • FeatherWing-based IoT and sensor projects needing more speed and memory than RP2040
  • DVI/HDMI video output via the HSTX connector
  • Battery-powered embedded applications
  • CircuitPython and MicroPython development

Package Contents

  • 1× Adafruit Feather RP2350 (headers not included)

Specifications

  • Dimensions: 50.8 × 22.8 × 7 mm (2.0 × 0.9 × 0.28 in)
  • Weight: 5 g
$19.12
Adafruit Feather RP2350—
$19.12

Product Information

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Description

The Adafruit Feather RP2350 brings the powerful RP2350 microcontroller to the classic Feather form factor, giving you full compatibility with the entire FeatherWing ecosystem. With dual Cortex-M33 cores running at 150 MHz, 520 KB of SRAM, and 8 MB of flash, this board delivers roughly twice the performance of RP2040-based Feathers.

The RP2350 is a significant upgrade over its predecessor — the M33 cores include hardware floating-point support, there are three PIO blocks (12 state machines total instead of 8), TrustZone secure boot, and a High Speed Transmit (HSTX) peripheral for driving differential data such as DVI output without overclocking or consuming PIO resources. An unpopulated SOIC PSRAM footpad with chip select on GPIO 8 lets you add external PSRAM if needed.

Key Features

  • RP2350 Dual Cortex-M33 – 150 MHz with FPU (also supports dual RISC-V cores), 520 KB SRAM, 8 KB OTP
  • 8 MB QSPI Flash – Stores firmware and CircuitPython/MicroPython code and files (~7 MB usable with Python)
  • 29 GPIO Pins – 21 on Feather headers, 8 on the 22-pin HSTX connector (usable as general GPIO too)
  • Four 12-bit ADCs – One more analogue input than Pico 2
  • 24 PWM Channels – For servos, LEDs, motor control, and more
  • 12 PIO State Machines – Three PIO blocks for custom peripherals and protocols
  • USB Type C – Built-in ROM UF2 bootloader and serial port debugging
  • STEMMA QT / Qwiic Connector – Plug-and-play I2C sensor connectivity with no soldering
  • Built-in LiPo Charger – 200 mA+ charging with status LED; disable via jumper for non-rechargeable batteries
  • RGB NeoPixel + Red LED – NeoPixel for full-colour status indication, red LED on pin #7
  • SWD Debug Port – 3-pin JST SH connector compatible with Pico Probe
  • Hardware Security – SHA-256 accelerator, true random number generator (TRNG), TrustZone secure boot with OTP key storage
  • 500 mA 3.3 V Regulator – 12 MHz crystal, 4 mounting holes

Also Available

Programming Support

  • CircuitPython – Recommended for beginners; extensive driver and sensor library support
  • MicroPython – Official port available
  • Arduino – Supported via the Earlephilhower core
  • C/C++ – Full access via the Pico SDK
Note: Hold the BOOTSEL button while plugging in USB (or pulling RUN/Reset to ground) to enter the UF2 bootloader — do not double-click reset.
Note: This board ships with the A2 revision of the RP2350, which is affected by the E9 erratum. Some GPIO and PIO functions (high-impedance inputs, internal pull-downs) may require 8.2 KΩ or smaller external resistors as a workaround.

Ideal For

  • FeatherWing-based IoT and sensor projects needing more speed and memory than RP2040
  • DVI/HDMI video output via the HSTX connector
  • Battery-powered embedded applications
  • CircuitPython and MicroPython development

Package Contents

  • 1× Adafruit Feather RP2350 (headers not included)

Specifications

  • Dimensions: 50.8 × 22.8 × 7 mm (2.0 × 0.9 × 0.28 in)
  • Weight: 5 g