SAM3A4C Atmel Corporation, SAM3A4C Datasheet - Page 418
SAM3A4C
Manufacturer Part Number
SAM3A4C
Description
Manufacturer
Atmel Corporation
- Current page: 418 of 1465
- Download datasheet (26Mb)
25.7.3
Name:
Address:
Access:
Reset:
Warning: bit 7 (DBW) must always be set to 1 when programming the SDRAMC_CR register.
• NC: Number of Column Bits
Reset value is 8 column bits.
• NR: Number of Row Bits
Reset value is 11 row bits.
Values which are not listed in the table must be considered as “reserved”.
• NB: Number of Banks
Reset value is two banks.
418
418
Value
Value
Value
DBW
00
01
10
00
01
10
11
0
1
31
23
15
7
SAM3X/A
SAM3X/A
SDRAMC Configuration Register
SDRAMC_CR
0x400E0208
Read-write
0x852372C0
ROW11
ROW12
ROW13
BANK2
BANK4
COL10
COL11
Name
Name
COL8
COL9
Name
30
22
14
6
TRC_TRFC
TRCD
TXSR
CAS
10 column bits
11 column bits
8 column bits
9 column bits
29
21
13
Description
5
Description
11 row bits
12 row bits
13 row bits
Description
2 banks
4 banks
NB
28
20
12
4
27
19
11
3
NR
26
18
10
2
TRAS
TWR
TRP
25
17
9
1
11057A–ATARM–17-Feb-12
11057A–ATARM–17-Feb-12
NC
24
16
8
0
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