at91sam9263 ATMEL Corporation, at91sam9263 Datasheet - Page 360

• Manufacturer Part Number: at91sam9263
• Description: At91 Arm Thumb Microcontrollers
• Manufacturer: ATMEL Corporation

27.8.2
Figure 27-3. Switch Master Clock from Slow Clock to PLL Clock
Figure 27-4. Switch Master Clock from Main Clock to Slow Clock
360
AT91SAM9263 Preliminary
Clock Switching Waveforms
Write PMC_MCKR
Write PMC_MCKR
Master Clock
Master Clock
Slow Clock
Slow Clock
Main Clock
PLL Clock
MCKRDY
MCKRDY
LOCK
6249D–ATARM–20-Dec-07