16.8.2 Quick Start Guide for SERCOM USART - Callback

This quick start will echo back characters typed into the terminal, using asynchronous TX and RX callbacks from the USART peripheral. In this use case the USART will be configured with the following settings:

  • Asynchronous mode

  • 9600 Baudrate

  • 8-bits, No Parity and one Stop Bit

  • TX and RX enabled and connected to the Xplained Pro Embedded Debugger virtual COM port