AT91SAM9G45-EKES Atmel, AT91SAM9G45-EKES Datasheet - Page 248

• Manufacturer Part Number: AT91SAM9G45-EKES
• Description: KIT EVAL FOR AT91SAM9G45
• Manufacturer: Atmel
• Series: AT91SAM Smart ARMr
• Type: MCUr

Specifications of AT91SAM9G45-EKES

• Contents: Board
• Processor To Be Evaluated: SAM9G45
• Data Bus Width: 32 bit
• Interface Type: I2C, SPI, UART
• Maximum Operating Temperature: + 50 C
• Minimum Operating Temperature: - 10 C
• Operating Supply Voltage: 1.8 V to 3.3 V
• For Use With/related Products: AT91SAM9G45
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: Q4626953

Figure 22-19. Self Refresh Mode Exit
Figure 22-20. Self Refresh and Automatic Update
248
COMMAND
DQS[1:0]
DM[1:0]
SDCLK
BA[1:0]
D[15:0]
A[12:0]
COMMAND
CKE
BA[1:0]
A[12:0]
SDCLK
AT91SAM9G45
CKE
clock must be stable
before exiting self refresh mode
NOP
0
3
NOP
PRCHG
0
Trp
NOP
Pasr-Tcr-Ds
MRS
2
Tmrd
NOP
Update Extended Mode
register
ARFSH
TXNRD/TXSRD
TXSR
TXSR
Enter Self Refresh
Mode
Exit Self Refresh mode
(DDR device)
(Low-power DDR device)
(Low-power SDR, SDR-SDRAM device)
NOP
VALID
6438F–ATARM–21-Jun-10
NOP
DaDb