Datasheet

531
SAM4S Series [DATASHEET]
11100F–ATARM–29-Jan-14
• MOSCRCS: Main On-Chip RC Oscillator Status
0: Main on-chip RC oscillator is not stabilized.
1: Main on-chip RC oscillator is stabilized.
• CFDEV: Clock Failure Detector Event
0: No clock failure detection of the fast crystal oscillator clock has occurred since the last read of PMC_SR.
1: At least one clock failure detection of the fast crystal oscillator clock has occurred since the last read of PMC_SR.
• CFDS: Clock Failure Detector Status
0: A clock failure of the fast crystal oscillator clock is not detected.
1: A clock failure of the fast crystal oscillator clock is detected.
• FOS: Clock Failure Detector Fault Output Status
0: The fault output of the clock failure detector is inactive.
1: The fault output of the clock failure detector is active.