SAM9G45 Atmel Corporation, SAM9G45 Datasheet - Page 245

• Manufacturer Part Number: SAM9G45
• Manufacturer: Atmel Corporation

Specifications of SAM9G45

• Flash (kbytes): 0 Kbytes
• Pin Count: 324
• Max. Operating Frequency: 400 MHz
• Cpu: ARM926
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 160
• Ext Interrupts: 160
• Usb Transceiver: 3
• Usb Speed: Hi-Speed
• Usb Interface: Host, Device
• Spi: 2
• Twi (i2c): 2
• Uart: 5
• Lin: 4
• Ssc: 2
• Ethernet: 1
• Sd / Emmc: 2
• Graphic Lcd: Yes
• Video Decoder: No
• Camera Interface: Yes
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 440
• Resistive Touch Screen: Yes
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 64
• Self Program Memory: NO
• External Bus Interface: 2
• Dram Memory: DDR2/LPDDR, SDRAM/LPSDR
• 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
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

Figure 22-17. Self Refresh Mode Entry, Timeout = 0
Figure 22-18. Self Refresh Mode Entry, Timeout = 1 or 2
6438G–ATARM–19-Apr-11
COMMAND
COMMAND
DQS[0:1]
DQS[1:0]
BA[1:0]
A[12:0]
DM[1:0]
BA[1:0]
SDCLK
DM[1:0]
D[15:0]
SDCLK
D[15:0]
A[12:0]
CKE
CKE
NOP READ
0
3
NOP READ
0
3
The low-power DDR-SDRAM must remain in self refresh mode for a minimum of TRFC periods
and may remain in self refresh mode for an indefinite period.
The DDR2-SDRAM must remain in self refresh mode for a minimum of TCKE periods and may
remain in self refresh mode for an indefinite period.
BST
BST
NOP
NOP
Da
Da
Db
Db
64 or 128
wait states
PRCHG
PRCHG
NOP
NOP
Trp
Trp
ARFSH NOP
ARFSH
Enter Self refresh
Mode
Enter Self refresh
Mode
SAM9G45
NOP
245