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6120F–ATARM–03-Oct-06
AT91SAM7X512/256/128 Preliminary
Figure 25-4. Switch Master Clock from Main Clock to Slow Clock
Figure 25-5. Change PLL Programming
Slow Clock
Main Clock
MCKRDY
Master Clock
Write PMC_MCKR
Main Clock
Main Clock
PLL Clock
LOCK
MCKRDY
Master Clock
Write CKGR_PLLR
