AT91SAM9G45-EKES Atmel, AT91SAM9G45-EKES Datasheet - Page 247
AT91SAM9G45-EKES
Manufacturer Part Number
AT91SAM9G45-EKES
Description
KIT EVAL FOR AT91SAM9G45
Manufacturer
Atmel
Series
AT91SAM Smart ARMr
Type
MCUr
Datasheets
1.AT91SAM9G45-EKES.pdf
(56 pages)
2.AT91SAM9G45-EKES.pdf
(1218 pages)
3.AT91SAM9G45-EKES.pdf
(66 pages)
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
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Figure 22-17. Self Refresh Mode Entry, Timeout = 0
Figure 22-18. Self Refresh Mode Entry, Timeout = 1 or 2
6438F–ATARM–21-Jun-10
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
AT91SAM9G45
ARFSH NOP
ARFSH
Enter Self refresh
Mode
Enter Self refresh
Mode
NOP
247
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