The Embedded Debugger acts as a Virtual Com Port gateway by using one of the ATSAMD20J18A UARTs. For further information on how to use the Virtual COM port see Embedded Debugger.
| Pin on SAM D20 | Function |
|---|---|
| PA24 | SERCOM3 PAD[2] UART TXD (SAM D20 TX line) |
| PA25 | SERCOM3 PAD[3] UART RXD (SAM D20 RX line) |