5.2.8 Cortex Debug Connector
SAM E54 Xplained Pro has a 10-pin 50-mil Cortex Debug Connector with SWD that can be used to attach external debuggers to the ATSAME54P20A. Microchip debugging tools like the Atmel-ICE and Power Debugger can connect directly to this connector.
| Cortex Debug Connector pin | Pin/Net | Function | Shared functionality |
|---|---|---|---|
| 1 [VCC] | VCC_TARGET_P3V3 | ATSAME54P20A voltage | |
| 2 [SWDIO/TMS] | PA31 | SW bidirectional data | TRACE and EDBG SWD |
| 3 [GND] | GND | Ground | |
| 4 [SWCLK/TCK] | PA30 | SW clock signal | TRACE and EDBG SWD |
| 5 [GND] | GND | Ground | |
| 6 [SWO/TDO] | PB30 | SW output | TRACE and EDBG SWD |
| 7 [KEY] | - | - | |
| 8 [NC/TDI] | - | - | |
| 9 [GNDDetect] | GND | Ground | |
| 10 [nRESET] | RESETN | Target reset signal | RST BTN, TRACE, and EDBG SWD |