Atmel SAM4S-EK2 Atmel ATSAM4S-EK2 ATSAM4S-EK2 Data Sheet
Product codes
ATSAM4S-EK2
490
SAM4S [DATASHEET]
11100E–ATARM–24-Jul-13
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.