The Serial Wire Debug (SWD) uses two pins to communicate with the target. For further information on how to use the programming and debugging capabilities of the EDBG, see Embedded Debugger.
| SAM E54 pin | Function | Shared functionality |
|---|---|---|
| PA30 | SWCLK clock | Cortex DBG and TRACE |
| PA31 | SWDIO data | Cortex DBG and TRACE |
| PB30 | SWO output | Cortex DBG and TRACE |
| RESET_N | RESET | Cortex DBG, TRACE, and RST BTN |