Datasheet

273
32142D–06/2013
ATUC64/128/256L3/4U
• DFLL0LOCKLOSTC: DFLL0 Lock Lost on Coarse Value
0: DFLL has not lost its Coarse lock or has never been enabled.
1: DFLL has lost its Coarse lock, either by disabling the DFLL or due to faulty operation.
• DFLL0LOCKA: DFLL0 Locked on Accurate Value
0: DFLL is unlocked on Accurate value.
1: DFLL is locked on Accurate value, and is ready to be selected as clock source with an accurate output clock.
• DFLL0LOCKF: DFLL0 Locked on Fine Value
0: DFLL is unlocked on Fine value.
1: DFLL is locked on Fine value, and is ready to be selected as clock source with a high accuracy on the output clock.
• DFLL0LOCKC: DFLL0 Locked on Coarse Value
0: DFLL is unlocked on Coarse value.
1: DFLL is locked on Coarse value, and is ready to be selected as clock source with medium accuracy on the output clock.
• BODDET: Brown-Out Detection
0: No BOD Event.
1: BOD has detected that the supply voltage is below the BOD reference value.
• SM33DET: Supply Monitor 3.3V Detector
0: SM33 not enabled or the supply voltage is above the SM33 threshold.
1: SM33 enabled and the supply voltage is below the SM33 threshold.
• VREGOK: Voltage Regulator OK
0: Voltage regulator not enabled or not ready.
1: Voltage regulator has reached its output threshold value after being enabled.
• OSC0RDY: OSC0 Ready
0: Oscillator not enabled or not ready.
1: Oscillator is stable and ready to be used as clock source.
• OSC32RDY: 32 KHz oscillator Ready
0: OSC32K not enabled or not ready.
1: OSC32K is stable and ready to be used as clock source.