4.7 Other Functions

Oscillator Pinout

The oscillators are not mapped to the normal PORT functions and their multiplexing is controlled by registers in both the Oscillators Controller (OSCCTRL) and the 32K Oscillators Controller (OSC32KCTRL).

Table 4-4. Oscillator Pinout
OscillatorSupplySignalI/O pin
XOSCVDDIOXINPA14
XOUTPA15
XOSC32KVDDANAXIN32PA00
XOUT32PA01

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 4-5. Serial Wire Debug Interface Pinout
SignalSupplyI/O pin
SWCLKVDDIOPA30
SWDIOVDDIOPA31

For additional information, refer to the Device Service Unit (DSU).