Datasheet

SAM9261 [DATASHEET]
Atmel-6062O-ATARM-SAM9261-Datasheet_21-Jun-16
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8.6 Power Management Controller
 The Power Management Controller provides:
 the Processor Clock PCK
 the Master Clock MCK
 the USB Clock USBCK (HCK0)
 the LCD Controller Clock LCDCK (HCK1)
 up to thirty peripheral clocks
 four programmable clock outputs: PCK0 to PCK3
Figure 8-3. Power Management Controller Block Diagram
8.7 Periodic Interval Timer
See Section 15.2 “Embedded Characteristics”.
8.8 Watchdog Timer
See Section 25.2 “Embedded Characteristics”.
8.9 Real-time Timer
See Section 14.2 “Embedded Characteristics”.
MCK
periph_clk[2..21]
int
UDPCK
usb_suspend
SLCK
MAINCK
PLLACK
Prescaler
/1,/2,/4,...,/64
PCK
Processor
Clock
Controller
Idle Mode
Master Clock Controller
APB Peripherals
Clock Controller
ON/OFF
USB Clock Controller
ON/OFF
SLCK
MAINCK
PLLACK
Prescaler
/1,/2,/4,...,/64
Programmable Clock Controller
PLLBCK
Divider
/1,/2,/4
pck[0..3]
PLLBCK
PLLBCK
UHPCK
Divider
/1,/2,/4
HCKx
AHB Peripherals
Clock Controller
ON/OFF