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Table of Contents
Seeeduino XIAO
The Seeeduino XIAO is an Arduino like board based on the SAMD21G18 chip (ARM Cortex-M0+, 32bit, 48MHz), similar to the Arduino MKR ZERO.
All I/O Pins are 3.3V
Pinout
picture by Seeed Studio
Reset & Bootloader Mode
To reset the board one should short out the reset pins.
To enter the bootloader mode one should short them out twice.
Serial Wire Debug (SWD)
