AT91SAM9260-EK Atmel, AT91SAM9260-EK Datasheet - Page 28

• Manufacturer Part Number: AT91SAM9260-EK
• Description: KIT EVAL FOR AT91SAM9260
• Manufacturer: Atmel
• Series: AT91SAM Smart ARMr
• Type: MCUr

Specifications of AT91SAM9260-EK

• Contents: Evaluation Board, Parallel Cable and CD-ROM
• Processor To Be Evaluated: AT91SAM9260
• Data Bus Width: 32 bit
• Interface Type: RS-232, Ethernet, USB
• Core: ARM 9
• Silicon Manufacturer: Atmel
• Core Architecture: ARM
• Core Sub-architecture: ARM926EJ-S
• Silicon Core Number: AT91SAM9260
• Silicon Family Name: ARM
• Kit Contents: Board, Cables, CD, Power Supply
• Rohs Compliant: Yes
• For Use With/related Products: AT91SAM9260
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

9.5
28
Power Management Controller
AT91SAM9260
Figure 9-2.
• Provides:
• Five flexible operating modes:
– the Processor Clock PCK
– the Master Clock MCK, in particular to the Matrix and the memory interfaces
– the USB Device Clock UDPCK
– independent peripheral clocks, typically at the frequency of MCK
– 2 programmable clock outputs: PCK0, PCK1
– Normal Mode, processor and peripherals running at a programmable frequency
– Idle Mode, processor stopped waiting for an interrupt
– Slow Clock Mode, processor and peripherals running at low frequency
– Standby Mode, mix of Idle and Backup Mode, peripheral running at low frequency,
– Backup Mode, Main Power Supplies off, VDDBU powered by a battery
processor stopped waiting for an interrupt
Clock Generator Block Diagram
OSC_SEL
XOUT32
PLLRCA
XIN32
XOUT
XIN
Clock Generator
Management
Slow Clock
On Chip
Controller
RC OSC
Oscillator
Oscillator
PLL and
Divider A
PLL and
Divider B
Status
Power
Main
Control
Main Clock
MAINCK
PLLA Clock
PLLACK
PLLB Clock
PLLBCK
Slow Clock
SLCK
6221JS–ATARM–17-Jul-09