TinkerNewsWeekly · DIY electronicsEst. 2025
TinkerNews
Board

ItsyBitsy M4 Express specs, pinout & datasheets

Microcontroller board · Adafruit

Chip / SoC
ATSAMD51J19
RAM
192 KB
Flash
512 KB

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

Specifications

3 specs
Chip / SoC
ATSAMD51J19[1]
RAM
192 KB[1]
Flash
512 KB[1]

Can I still use it?

3 platforms
MicroPython
Supported[3]
CircuitPython
Supported[2]
Zephyr RTOS
Supported[1]

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

2 pins
Pin names in firmware (2 pins)
From the firmware’s board definition[4]
Chip pinBoard names
PB02APA102_SCK, DOTSTAR_CLOCK
PB03APA102_MOSI, DOTSTAR_DATA

Sources

4 sources
  1. Zephyr board definition (adafruit_itsybitsy_m4_express) at 3c61a12bdd
  2. CircuitPython board definition (itsybitsy_m4_express) at 83b54473a1
  3. MicroPython board definition (ADAFRUIT_ITSYBITSY_M4_EXPRESS) at 19e685eca9
  4. CircuitPython pin definitions (itsybitsy_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