Datasheet

78
AT32UC3A
13.6.8 Power and Oscillators Status
Name: POSCSR
Access Type: Read-only
•
BODDET: Brown out detection
0: No BOD event
1: BOD has detected that power supply is going below BOD reference value.
• OSC32RDY: 32 KHz oscillator Ready
0: The 32 KHz oscillator is not enabled or not ready.
1: The 32 KHz oscillator is stable and ready to be used as clock source.
•
OSC1RDY: OSC1 ready
0: Oscillator 1 not enabled or not ready.
1: Oscillator 1 is stable and ready to be used as clock source.
• OSC0RDY: OSC0 ready
0: Oscillator 0 not enabled or not ready.
1: Oscillator 0 is stable and ready to be used as clock source.
• MSKRDY: Mask ready
0: Mask register has been changed, masking in progress.
1: Clock are masked according to xxx_MASK
• CKRDY:
0: The CKSEL register has been written, and the new clock setting is not yet effective.
1: The synchronous clocks have frequencies as indicated in the CKSEL register.
• LOCK1: PLL 1 locked
0:PLL 1 is unlocked
1:PLL 1 is locked, and ready to be selected as clock source.
• LOCK0: PLL 0 locked
0: PLL 0 is unlocked
1: PLL 0 is locked, and ready to be selected as clock source.
31 30 29 28 27 26 25 24
- - - - - - - -
23 22 21 20 19 18 17 16
- - - - - - - BODDET
15 14 13 12 11 10 9 8
- - - - - - OSC32RDY OSC1RDY
7 6 5 4 3 2 1 0
OSC0RDY MSKRDY CKRDY - - - LOCK1 LOCK0
32058K
AVR32-01/12