Jump to main content
35.6.2 DDR-SDRAM Address Mapping for 32-bit Memory Data Bus Width
Table 35-15. Sequential Mapping DDR-SDRAM Configuration Mapping: 2K Rows,
512/1024/2048 Columns, 4 Banks
CPU Address Line
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Bk[1:0]
Row[10:0]
Column[8:0]
M[1:0]
Bk[1:0]
Row[10:0]
Column[9:0]
M[1:0]
Bk[1:0]
Row[10:0]
Column[10:0]
M[1:0]
Table 35-16. Interleaved Mapping DDR-SDRAM Configuration Mapping: 2K Rows,
512/1024/2048 Columns, 4 Banks
CPU Address Line
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Row[10:0]
Bk[1:0]
Column[8:0]
M[1:0]
Row[10:0]
Bk[1:0]
Column[9:0]
M[1:0]
Row[10:0]
Bk[1:0]
Column[10:0]
M[1:0]
Table 35-17. Sequential Mapping DDR-SDRAM Configuration Mapping: 4K Rows,
256/512/1024/2048 Columns, 4 Banks
CPU Address Line
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Bk[1:0]
Row[11:0]
Column[7:0]
M[1:0]
Bk[1:0]
Row[11:0]
Column[8:0]
M[1:0]
Bk[1:0]
Row[11:0]
Column[9:0]
M[1:0]
Bk[1:0]
Row[11:0]
Column[10:0]
M[1:0]
Table 35-18. Interleaved Mapping DDR-SDRAM Configuration Mapping: 4K Rows,
256/512/1024/2048 Columns, 4 Banks
CPU Address Line
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Row[11:0]
Bk[1:0]
Column[7:0]
M[1:0]
Row[11:0]
Bk[1:0]
Column[8:0]
M[1:0]
Row[11:0]
Bk[1:0]
Column[9:0]
M[1:0]
Row[11:0]
Bk[1:0]
Column[10:0]
M[1:0]
Table 35-19. Sequential Mapping DDR-SDRAM Configuration Mapping: 8K Rows,
512/1024/2048 Columns, 4 Banks
CPU Address Line
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Bk[1:0]
Row[12:0]
Column[8:0]
M[1:0]
Bk[1:0]
Row[12:0]
Column[9:0]
M[1:0]
Bk[1:0]
Row[12:0]
Column[10:0]
M[1:0]
Table 35-20. Interleaved Mapping DDR-SDRAM Configuration Mapping: 8K Rows,
512/1024/2048 Columns, 4 Banks
CPU Address Line
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Row[12:0]
Bk[1:0]
Column[8:0]
M[1:0]
Row[12:0]
Bk[1:0]
Column[9:0]
M[1:0]
Row[12:0]
Bk[1:0]
Column[10:0]
M[1:0]
Table 35-21. Sequential Mapping DDR-SDRAM Configuration Mapping: 8K Rows,
512/1024 Columns, 8 Banks
CPU Address Line
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Bk[2:0]
Row[12:0]
Column[8:0]
M[1:0]
Bk[2:0]
Row[12:0]
Column[9:0]
M[1:0]
Table 35-22. Interleaved Mapping DDR-SDRAM Configuration Mapping: 8K Rows,
512/1024 Columns, 8 Banks
CPU Address Line
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Row[12:0]
Bk[2:0]
Column[8:0]
M[1:0]
Row[12:0]
Bk[2:0]
Column[9:0]
M[1:0]
Table 35-23. Sequential Mapping DDR-SDRAM Configuration Mapping: 16K Rows, 1024
Columns, 4 Banks
CPU Address Line
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Bk[1:0]
Row[13:0]
Column[9:0]
M[1:0]
Table 35-24. Interleaved Mapping DDR-SDRAM Configuration Mapping: 16K Rows, 1024
Columns, 4 Banks
CPU Address Line
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Row[13:0]
Bk[1:0]
Column[9:0]
M[1:0]
Table 35-25. Sequential Mapping DDR-SDRAM Configuration Mapping: 16K Rows, 1024
Columns, 8 Banks
CPU Address Line
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Bk[2:0]
Row[13:0]
Column[9:0]
M[1:0]
Table 35-26. Interleaved Mapping DDR-SDRAM Configuration Mapping: 16K Rows, 1024
Columns, 8 Banks
CPU Address Line
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Row[13:0]
Bk[2:0]
Column[9:0]
M[1:0]
The online versions of the documents are provided as a courtesy. Verify all content and data in the device’s PDF documentation found on the device product page.