Datasheet

508
SAM4S Series [DATASHEET]
11100F–ATARM–29-Jan-14
29.15.2 Clock Switching Waveforms
Figure 29-6. Switch Master Clock from Slow Clock to PLLx Clock
Figure 29-7. Switch Master Clock from Main Clock to Slow Clock
Slow Clock
LOCK
MCKRDY
Master Clock
Write PMC_MCKR
PLLx Clock
Slow Clock
Main Clock
MCKRDY
Master Clock
Write PMC_MCKR