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Adafruit MatrixPortal M4
AdafruitATSAMD51J19 Cortex M4
A microcontroller board with an ATSAMD51J19 Cortex M4 processor, 512KB flash, and 192KB RAM.
In stock
Specifications
8- Operating Voltage
- 3.3V, 5V (USB) via USB-C port or external power supply for matrix display and other peripherals.
- Logic Level
- 3.3V
- Clock Speed
- 120MHz
- Flash
- 512KB KB
- Ram
- 192KB KB
- Gpio Count
- 8
- Dimensions
- Not explicitly stated, but the board is designed to fit into 2x8 HUB75 ports.
- Connectivity
- USB-C for power and programming, I2C via STEMMA QT connector
Pinout
14Low source legibility.The original manufacturer datasheet for this part was difficult to read, so this pinout may be incomplete or imperfect. Always confirm against the specific manufacturer’s datasheet before wiring.
| Pin | Name | Functions | Notes |
|---|---|---|---|
| 30 | ESP_RESET | GPIO | ESP32 reset pin |
| 31 | ESP_BUSY | GPIO | ESP32 busy pin |
| 32 | RX | UART | Serial RX for SAMD51 |
| 33 | TX | UART | Serial TX for SAMD51 |
| 44 | A0 | ADC | Analog input 0 |
| 47 | A1 | GPIO | Analog or digital I/O |
| 53 | A2 | GPIO | Analog or digital I/O |
| 54 | A3 | GPIO | Analog or digital I/O |
| 58 | A4 | GPIO | Analog or digital I/O |
| 60 | LED | GND | Red LED for status |
| 63 | NEOPIXEL | GPIO | NeoPixel RGB status LED |
| 72 | BUTTON_UP | GPIO | Up button for user interface |
| 78 | BUTTON_DOWN | GPIO | Down button for user interface |
| 82 | RST | GND | Reset pin to ground |
Interactive pinout
Highlight:
ATSAMD51J19 Cortex M4
Click a pin to copy its name · tap a tag above to spotlight a bus.