4.5 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).
| Oscillator | Supply | Signal | I/O pin |
|---|---|---|---|
| XOSC0 | VDD | XIN | PA14 |
| XOUT | PA15 | ||
| XOSC1 | VDD | XIN | PB22 |
| XOUT | PB23 | ||
| XOSC32K | VSWOUT | XIN32 | PA00 |
| XOUT32 | PA01 |
Note: To guarantee the XOSC32K behavior in crystal mode, PC00 must be static.
| Package Pin Count | Steady Signal Recommended |
|---|---|
| 128 | PB00, PB01, PB02, PB03, PC00, PC01 |
| 100 | PB00, PB01, PB02, PB03, PC00, PC01 |
| 64 | PB00, PB01, PB02, PB03 |