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Adafruit Feather M4 CAN Express
AdafruitATSAME51
A Feather board with an ATSAME51 microcontroller and built-in CAN bus support for interfacing projects.
In stock
Specifications
8- Mcu
- ATSAME51 32-bit Cortex M4 core running at 120 MHz, 3.3V logic and power with floating point support and 32-bit instructions.
- Flash
- 512 KB
- Ram
- 192 KB
- Gpio Count
- 32
- Operating Voltage
- 3.3V
- Dimensions
- 20mm x 9mm x 7mm (without headers) mm
- Connectivity
- USB Type C, CAN bus support with built-in transceiver and terminal connection
- Usb
- Yes, USB Type C for native support
Pinout
31| Pin | Name | Functions | Notes |
|---|---|---|---|
| GND | GND | POWER | Common ground |
| BAT | BAT | POWER | Positive voltage to/from the JST jack for the optional LiPo battery |
| USB | USB | POWER | Positive voltage to/from the USB C jack if connected |
| EN | EN | POWER | 3.3V regulator's enable pin, pulled up by default |
| 3V | 3V | POWER | Output from the 3.3V regulator, can supply 500mA peak current |
| CAN_H | CAN_H | I2C | CAN signal line H |
| CAN_L | CAN_L | I2C | CAN signal line L, with a 120 ohm terminator connected between them |
| BOOST_ENABLE | BOOST_ENABLE | POWER | Pin to enable the 3V->5V boost converter for CAN signals |
| PIN_CAN_STANDBY | PIN_CAN_STANDBY | POWER | Transceiver standby pin, connected to BOOST_ENABLE by default |
| 0 | RX | GPIOPWMUART | Receive (input) pin for Serial1, also PWM output |
| 1 | TX | GPIOPWMUART | Transmit (output) pin for Serial1, also PWM output |
| 2 | SDA | I2C | I2C data pin, can be used as GPIO #21 and PWM output |
| 3 | SCL | I2C | I2C clock pin, can be used as GPIO #22 and PWM output |
| 4 | GPIO_4 | PWM | PWM output |
| 5 | GPIO_5 | PWM | PWM output |
| 6 | GPIO_6 | PWM | PWM output |
| 9 | GPIO_9 | PWM | PWM output |
| 10 | GPIO_10 | PWM | PWM output |
| 11 | GPIO_11 | PWM | PWM output |
| 12 | GPIO_12 | PWM | PWM output |
| 13 | LED_R | GPIO | Red LED connected to pin #13, user-controllable through code |
| A0 | A0 | ADCPWM | Analog input and output due to having a DAC |
| A1 | A1 | ADCPWM | Analog input and output due to having a DAC, independent of A0 |
| A2 | GPIO_A2 | PWM | Analog input and digital I/O pin, can do PWM |
| A3 | GPIO_A3 | PWM | Analog input and digital I/O pin, can do PWM |
| A4 | GPIO_A4 | PWM | Analog input and digital I/O pin, can do PWM |
| A5 | GPIO_A5 | PWM | Analog input and digital I/O pin, can do PWM |
| 14 | SCK | SPI | SPI clock pin, also GPIO #25 |
| 15 | MOSI | SPI | SPI MOSI pin, also GPIO #24 |
| 16 | MISO | SPI | SPI MISO pin, also GPIO #23 |
| 17 | CS | SPI | SPI chip select pin, can be used as GPIO #26 |
Interactive pinout
Highlight:
ATSAME51
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