Datasheet

166
SAM9X25 [DATASHEET]
11054E–ATARM–10-Mar-2014
20.4.1 Slow Clock Configuration Register
Name: SCKC_CR
Address: 0xFFFFFE50
Access: Read-write
Reset: 0x0000_0001
• RCEN: Internal 32 kHz RC Oscillator
0: 32 kHz RC oscillator is disabled.
1: 32 kHz RC oscillator is enabled.
• OSC32EN: 32768 Hz Oscillator
0: 32768 Hz oscillator is disabled.
1: 32768 Hz oscillator is enabled.
• OSC32BYP: 32768 Hz Oscillator Bypass
0: 32768 Hz oscillator is not bypassed.
1: 32768 Hz oscillator is bypassed, accept an external slow clock on XIN32.
• OSCSEL: Slow Clock Selector
0 (RC): Slow clock is internal 32 kHz RC oscillator.
1 (XTAL): Slow clock is 32768 Hz oscillator.
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76543210
– – – – OSCSEL OSC32BYP OSC32EN RCEN