Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Data Sheet
Product codes
AT91SAM9N12-EK
184
SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]
11063K–ATARM–05-Nov-13
22.11.2 Clock Switching Waveforms
Figure 22-3. Switch Master Clock from Slow Clock to PLL Clock
Figure 22-4. Switch Master Clock from Main Clock to Slow Clock
Slow Clock
LOCK
MCKRDY
Master Clock
Write PMC_MCKR
PLL Clock
Slow Clock
Main Clock
MCKRDY
Master Clock
Write PMC_MCKR