7.2.2 Serial Wire Debug Interface Pinout

Only the SWCLK pin is mapped to the normal port functions. A debugger cold-plugging or hot-plugging detection will automatically switch the SWDIO port to the SWDIO function.

Table 7-4. Serial Wire Debug Interface Pinout
SignalSupplyI/O Pin
SWCLKVDDIOPA30
SWDIOVDDIOPA31