AT91SAM9R64_1 Datasheet, PDF (269/903 Pages) ATMEL Corporation – AT91 ARM Thumb Microcontrollers

AT91SAM9R64/RL64 Preliminary
Figure 27-3. Switch Master Clock from Main Clock to Slow Clock
Slow Clock
Main Clock
MCKRDY
Master Clock
Write PMC_MCKR
Figure 27-4. Change PLL Programming
Main Clock
PLL Clock
LOCK
MCKRDY
Master Clock
Write CKGR_PLLR
Main Clock
6289C–ATARM–28-May-09
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