6.2.1 Oscillator Pinout

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

Table 6-2. Oscillator Pinout
OscillatorSupplySignalI/O pin
XOSC0VDDIOXINPA14
XOUTPA15
XOSC1VDDIOXINPB22
XOUTPB23
XOSC32KVSWOUTXIN32PA00
XOUT32PA01
Note: To guarantee the XOSC32K behavior in crystal mode, PC00 must be static.
Table 6-3. XOSC32K Jitter Minimization
Package Pin CountSteady Signal Recommended
128PB00, PB01, PB02, PB03, PC00, PC01
100PB00, PB01, PB02, PB03, PC00, PC01
120PB00, PB01, PB02, PB03, PC00, PC01
64 PB00,PB01,PB02,PB03, PA02,PA03
48PB02, PB03,PA02,PA03