Datasheet

277
32142D–06/2013
ATUC64/128/256L3/4U
• MODE: Oscillator Mode
• EN1K: 1 KHz output Enable
0: The 1 KHz output is disabled.
1: The 1 KHz output is enabled.
• EN32K: 32 KHz output Enable
0: The 32 KHz output is disabled.
1: The 32 KHz output is enabled.
• PINSEL: Pins Select
0: Default pins used.
1: Alternate pins: XIN32_2 pin is used instead of XIN32 pin, XOUT32_2 pin is used instead of XOUT32.
• OSC32EN: 32 KHz Oscillator Enable
0: The 32 KHz Oscillator is disabled
1: The 32 KHz Oscillator is enabled
Table 14-4. Operation Mode for 32 KHz Oscillator
MODE Description
0 External clock connected to XIN32, XOUT32 can be used as general-purpose I/O (no crystal)
1 Crystal mode. Crystal is connected to XIN32/XOUT32.
2Reserved
3Reserved
4 Crystal and high current mode. Crystal is connected to XIN32/XOUT32.
5Reserved
6Reserved
7Reserved