Datasheet

509
SAM4S Series [DATASHEET]
11100F–ATARM–29-Jan-14
Figure 29-8. Change PLLx Programming
Figure 29-9. Programmable Clock Output Programming
Slow Clock
Slow Clock
PLLx Clock
LOCKx
MCKRDY
Master Clock
Write CKGR_PLLxR
PLLx Clock
PCKRDY
PCKx Output
Write PMC_PCKx
Write PMC_SCER
Write PMC_SCDR
PCKx is disabled
PCKx is enabled
PLL Clock is selected