Adafruit Feather M4 CAN Express with ATSAME51 features the SAME51 chipset with built-in CAN bus support. The ATSAME51J19 comes with a 120MHz Cortex M4 with floating point support and 512KB Flash and 192KB RAM. It has support for extra peripherals for CAN interfacing projects. The Feather M4 CAN Express also has a CAN transceiver chip and a 5V converter to generate 5V power to the transceiver when running on a battery. The two CAN signal lines and ground reference signal are available on a 3-pin 3.5mm terminal block.
Measures 2.0" x 0.9" x 0.28" (50.8mm x 22.8mm x 7mm) without headers soldered in
Light as a (large?) feather - 5 grams
ATSAME51 32-bit Cortex M4 core running at 120MHz, 32-bit, 3.3V logic and power
Hardware CAN bus support with built-in transceiver, 5V booster, and terminal connection
Floating point support with Cortex M4 DSP instructions
512KB flash, 192KB RAM
2MB SPI FLASH chip for storing files and CircuitPython code storage.
32.768kHz crystal for clock generation & RTC
3.3V regulator with 500mA peak current output
USB Type C connector for USB native support comes with USB bootloader and serial port debugging