16.4 Signal Description
| Signal Name | Types | Description |
|---|---|---|
| XIN | Analog Input | Multipurpose Crystal Oscillator or external clock generator input |
| XOUT | Analog Output | External Multipurpose Crystal Oscillator output |
| XIN32 | Analog Input | 32kHz Crystal Oscillator or external clock generator input |
| XOUT32 | Analog Output | 32kHz Crystal Oscillator output |
The I/O lines are automatically selected when XOSC or XOSC32K are enabled. Refer to Oscillator Pinout.