AT91SAM9G45-EKES Atmel, AT91SAM9G45-EKES Datasheet - Page 262

• 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

22.7.3
Name:
Access:
Reset:
This register can only be written if the bit WPEN is cleared in
• NC: Number of Column Bits
The reset value is 9 column bits.
SDR-SDRAM devices with eight columns in 16-bit mode (b16mode ==1) are not supported.
• NR: Number of Row Bits
The reset value is 12 row bits.
262
DLL
NC
NR
00
01
10
11
00
01
10
11
31
23
15
–
–
–
7
AT91SAM9G45
DDRSDRC Configuration Register
DDR - Column bits
Row bits
30
22
14
DDRSDRC_CR
Read-write
See
–
–
6
10
11
12
11
12
13
14
9
Table 22-9
OCD
CAS
29
21
13
–
–
5
SDR - Column bits
10
11
8
9
28
20
12
–
–
4
“DDRSDRC Write Protect Mode Register” on page
27
19
11
–
–
–
3
NR
ACTBST
26
18
10
–
–
2
DIS_DLL
25
17
–
–
9
1
6438F–ATARM–21-Jun-10
NC
DIC/DS
DQMS
275.
24
16
–
8
0