SAM9G20 Atmel Corporation, SAM9G20 Datasheet - Page 27

• Manufacturer Part Number: SAM9G20
• Manufacturer: Atmel Corporation

Specifications of SAM9G20

• Flash (kbytes): 0 Kbytes
• Pin Count: 217
• Max. Operating Frequency: 400 MHz
• Cpu: ARM926
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 96
• Ext Interrupts: 96
• Usb Transceiver: 3
• Usb Speed: Full Speed
• Usb Interface: Host, Device
• Spi: 2
• Twi (i2c): 1
• Uart: 7
• Ssc: 1
• Ethernet: 1
• Sd / Emmc: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: Yes
• Adc Channels: 4
• Adc Resolution (bits): 10
• Adc Speed (ksps): 95
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 32
• Self Program Memory: NO
• External Bus Interface: 1
• Dram Memory: sdram
• Nand Interface: Yes
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8/3.3
• Operating Voltage (vcc): 0.9 to 1.1
• Fpu: No
• Mpu / Mmu: No/Yes
• Timers: 6
• Output Compare Channels: 6
• Input Capture Channels: 6
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

9.5
6384E–ATARM–05-Feb-10
Power Management Controller
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
– 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
MCK divider can be 1,2,4,6
processor stopped waiting for an interrupt
Clock Generator Block Diagram
OSCSEL
XOUT32
XIN32
XOUT
XIN
Clock Generator
Management
Slow Clock
Controller
On Chip
RC OSC
Oscillator
Oscillator
Status
PLL and
Divider A
PLL and
Divider B
Power
Main
Control
Main Clock
MAINCK
PLLA Clock
PLLACK
PLLB Clock
PLLBCK
Slow Clock
SLCK
AT91SAM9G20
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