Datasheet

116
32117D–AVR-01/12
AT32UC3C
• MODE: Oscillator Mode
• OSC32EN: Enable the 32 KHz oscillator
0: 32 KHz Oscillator is disabled.
1: 32 KHz Oscillator is enabled.
Note that this register is protected by a lock. To write to this register the UNLOCK register has to be written first. Please
refer to the UNLOCK register description for details.
Table 8-11. Operation mode for 32 KHz oscillator
MODE Description
0 External clock connected to XIN32, XOUT32 can be used as I/O (no crystal)
1 2-pin crystal mode. Crystal is connected to XIN32/XOUT32
2 2-pin crystal and I-Current mode. Crystal is connected to XIN32/XOUT32
3Reserved