Mini SAM M4

Build around the Atmel® | SMART SAM D ARM® Cortex®-M4 based microcontroller series, the Mini SAM utilizes the SAMD51G19A chip with excellent features in a small, power efficient package sitting on a minifigure sized board featuring two LEDs, a user Button, 600mA of 3.3V power, and 18 available I/O.

  • Atmel® SAMD51G19A
    • ARM® Cortex®-M4 based MCU running up to 120MHz
    • 512KB embedded Flash and 192KB SRAM
    • 32-Bit, 3.3V Logic and Power
    • Full-Speed USB Device and embedded Host
    • 10 Channels of 12-bit ADC ; 10-bit DAC
    • Hardware touch support
  • Micro-USB Connector
  • AP2112K-3.3V LDO Power
    • Low Dropout Voltage (250mV at 600mA)
    • Rated 600mA Output Current
    • High Output Voltage Accuracy (±1.5% typical)
    • Over-Current and Over-Temperature Protection
  • Power through either USB or Battery – Auto switching
  • Built in RED LED accessible in Arduino IDE and CircuitPython
    • PIN_LED
  • Built in RGB LED
    • Uses Neopixel Arduino Library
    • Self-Contained Driver/RGB LED
    • Only requires one dedicated PIN
  • Built in RESET Button
    • Pulled up to stop unintended reset
    • Discharge safety circuitry / filtering capacitor
  • Built in user Button
    • ACTIVE High
    • Debounce Circuitry
  • Cortex Debug Header (5-Pin)
    • Device programming and debugging
  • 18 Total I/O Pins
    • 7 Analog Pins – 2 Support True Analog Out
    • 1 Analog Reference Pin
    • 10 Digital Pins
    • 9 Pins Support PWM
  • UF2 bootloader
  • Arduino 1.6.5+ Compatible
  • CircuitPython Compatible
  • Minifigure Shaped board
    • Approximately 0.95×1.55 inches (24.21×39.32 mm)
    • 2-Layer, High Quality PCB

I have made a “backpack” for the small 1.27mm spaced pins on the Mini SAM M4. This backpack breaks out those pins to standard 2.54mm spaced pins perfect for breadboards.

Image of a circuit board to move the Mini SAM M4 pins to more user friendly spacing.

Order DIY boards from OSHPark

Mini SAM M4 Pinout

A diagram of the pins available on the Mini SAM M4 board and what feature each pin has.