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Adafruit Feather M4 Express specs, pinout & datasheets

Microcontroller board · Adafruit

Chip / SoC
ATSAMD51J19
CPU
Arm Cortex-M4
Clock
120 MHz
RAM
192 KB
Flash
512 KB

Imported entry: generated from open-source board definitions (platformio, zephyr, circuitpython, micropython), not reviewed by a person. Each fact links to the definition it came from.

Specifications

6 specs
Chip / SoC
ATSAMD51J19[1]
CPU
Arm Cortex-M4[1]
Clock
120 MHz[1]
RAM
192 KB[2]
Flash
512 KB[2]
Upload limits
512 KB flash, 192 KB RAM[1]

Upload limits are what a sketch or firmware may use after the bootloader, as the build tools enforce them, not the chip’s full memory.

Can I still use it?

4 platforms
Arduino framework
Supported[1]Arduino framework available through PlatformIO.
MicroPython
Supported[4]
CircuitPython
Supported[3]
Zephyr RTOS
Supported[2]

As published by each project, checked weekly. A platform not listed has no published information here, which is not the same as no support.

Datasheets and documents

1 documents

Pinout

23 pins
Pin names in firmware (23 pins)
From the firmware’s board definition[5]
Chip pinBoard names
PA02A0, D14
PA04A4, D18
PA05A1, D15
PA06A5, D19
PA12SDA
PA13SCL
PA14D4
PA16D5
PA17SCK, D25
PA18D6
PA19D9
PA20D10
PA21D11
PA22D12
PA23LED, D13
PB01VOLTAGE_MONITOR, BATTERY
PB03NEOPIXEL
PB08A2, D16
PB09A3, D17
PB16D1, TX
PB17D0, RX
PB22MISO, D23
PB23MOSI, D24

Sources

5 sources
  1. PlatformIO board definition (adafruit_feather_m4) at 602ea25c30
  2. Zephyr board definition (adafruit_feather_m4_express) at 3c61a12bdd
  3. CircuitPython board definition (feather_m4_express) at 83b54473a1
  4. MicroPython board definition (ADAFRUIT_FEATHER_M4_EXPRESS) at 19e685eca9
  5. CircuitPython pin definitions (feather_m4_express) at 395b187017

Spotted a mistake?

Reviewed by hand

Every report is read by a person and checked against a source before anything changes. Please link one if you have it.

Report a mistake