4.4.1 Serial Wire Debug

The Serial Wire Debug (SWD) use 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.

Table 4-19. SWD Connections
SAM L22 pinFunctionShared functionality
PA30SWD clockCortex Debug
PA31SWD dataCortex Debug