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Adafruit Feather M0 Basic Proto
AdafruitATSAMD21G18
A compact development board for portable projects, featuring an ATSAMD21G18 ARM Cortex-M0 processor with 3.3V logic and extensive I/O capabilities.
In stock
Specifications
9- Operating Voltage
- 3.3V logic and power (500mA peak current from 3.3V regulator) with USB or battery options.
- Logic Level
- 3.3V
- Clock Speed
- 48 MHz
- Flash
- 256KB KB
- Ram
- 32KB KB
- Gpio Count
- 20
- Dimensions
- 2.0" x 0.9" x 0.28" inches
- Connectivity
- USB, I2C, SPI, Serial (UART)
- Usb
- native USB support with bootloader
Pinout
18| Pin | Name | Functions | Notes |
|---|---|---|---|
| 0 | RX | GPIO | Serial1 receive |
| 1 | TX | GPIO | Serial1 transmit |
| 20 | SDA | GPIO | I2C data, no pull-up by default |
| 21 | SCL | GPIO | I2C clock, no pull-up by default |
| 5 | GPIO #5 | GPIO | |
| 6 | GPIO #6 | GPIO | |
| 9 | A7/GPIO #9 | ADCPWM | Analog input A7, also PWM capable |
| 10 | GPIO #10 | GPIO | |
| 11 | GPIO #11 | GPIO | |
| 12 | GPIO #12 | GPIO | |
| 13 | LED/GPIO #13 | GPIO | Connected to red LED next to USB jack |
| A0 | A0 | ADCPWM | Analog input A0, also PWM capable and DAC output |
| A1 | GPIO #14 | GPIO | |
| A2 | GPIO #15 | GPIO | |
| A3 | GPIO #16 | GPIO | |
| A4 | GPIO #17 | GPIO | |
| A5 | GPIO #18 | GPIO | |
| SCK/MOSI/MISO (24/23/22) | SPI pins | SPI | Hardware SPI, can be used as GPIO but not recommended |
Interactive pinout
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ATSAMD21G18
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