3.6.6.1 DDR-SDRAM Address Mapping for 16-bit Memory Data Bus Width

Table 3-20. Sequential Mapping for DDR-SDRAM Configuration, 2K Rows, 256/512/1024/2048/4096 Columns, 4 Banks
CPU Address Line
2726252423222120191817161514131211109876543210
Bk[1:0]Row[10:0]Column[7:0]M0
Bk[1:0]Row[10:0]Column[8:0]M0
Bk[1:0]Row[10:0]Column[9:0]M0
Bk[1:0]Row[10:0]Column[10:0]M0
Bk[1:0]Row[10:0]Column[11:0]M0
Table 3-21. Interleaved Mapping for DDR-SDRAM Configuration, 2K Rows, 256/512/1024/2048/4096 Columns, 4 Banks
CPU Address Line
2726252423222120191817161514131211109876543210
Row[10:0]Bk[1:0]Column[7:0]M0
Row[10:0]Bk[1:0]Column[8:0]M0
Row[10:0]Bk[1:0]Column[9:0]M0
Row[10:0]Bk[1:0]Column[10:0]M0
Row[10:0]Bk[1:0]Column[11:0]M0
Table 3-22. Sequential Mapping for DDR-SDRAM Configuration: 4K Rows, 256/512/1024/2048/4096 Columns, 4 Banks
CPU Address Line
2726252423222120191817161514131211109876543210
Bk[1:0]Row[11:0]Column[7:0]M0
Bk[1:0]Row[11:0]Column[8:0]M0
Bk[1:0]Row[11:0]Column[9:0]M0
Bk[1:0]Row[11:0]Column[10:0]M0
Bk[1:0]Row[11:0]Column[11:0]M0
Table 3-23. Interleaved Mapping for DDR-SDRAM Configuration: 4K Rows, 256/512/1024/2048/4096 Columns, 4 Banks
CPU Address Line
2726252423222120191817161514131211109876543210
Row[11:0]Bk[1:0]Column[7:0]M0
Row[11:0]Bk[1:0]Column[8:0]M0
Row[11:0]Bk[1:0]Column[9:0]M0
Row[11:0]Bk[1:0]Column[10:0]M0
Row[11:0]Bk[1:0]Column[11:0]M0
Table 3-24. Sequential Mapping for DDR-SDRAM Configuration: 8K Rows, 512/1024/2048/4096 Columns, 4 Banks
CPU Address Line
2726252423222120191817161514131211109876543210
Bk[1:0]Row[12:0]Column[8:0]M0
Bk[1:0]Row[12:0]Column[9:0]M0
Bk[1:0]Row[12:0]Column[10:0]M0
Bk[1:0]Row[12:0]Column[11:0]M0
Table 3-25. Interleaved Mapping for DDR-SDRAM Configuration: 8K Rows, 512/1024/2048/4096 Columns, 4 Banks
CPU Address Line
2726252423222120191817161514131211109876543210
Row[12:0]Bk[1:0]Column[8:0]M0
Row[12:0]Bk[1:0]Column[9:0]M0
Row[12:0]Bk[1:0]Column[10:0]M0
Row[12:0]Bk[1:0]Column[11:0]M0
Table 3-26. Sequential Mapping for DDR-SDRAM Configuration: 16K Rows, 512/1024/2048 Columns, 4 Banks
CPU Address Line
2726252423222120191817161514131211109876543210
Bk[1:0]Row[13:0]Column[8:0]M0
Bk[1:0]Row[13:0]Column[9:0]M0
Bk[1:0]Row[13:0]Column[10:0]M0
Table 3-27. Interleaved Mapping for DDR-SDRAM Configuration: 16K Rows, 512/1024/2048 Columns, 4 Banks
CPU Address Line
2726252423222120191817161514131211109876543210
Row[13:0]Bk[1:0]Column[8:0]M0
Row[13:0]Bk[1:0]Column[9:0]M0
Row[13:0]Bk[1:0]Column[10:0]M0
Table 3-28. Sequential Mapping for DDR-SDRAM Configuration: 8K Rows, 1024 Columns, 8 Banks
CPU Address Line
2726252423222120191817161514131211109876543210
Bk[2:0]Row[12:0]Column[9:0]M0
Table 3-29. Interleaved Mapping for DDR-SDRAM Configuration: 8K Rows, 1024 Columns, 8 Banks
CPU Address Line
2726252423222120191817161514131211109876543210
Row[12:0]Bk[2:0]Column[9:0]M0
Table 3-30. Sequential Mapping for DDR-SDRAM Configuration: 16K Rows, 1024 Columns, 8 Banks
CPU Address Line
2726252423222120191817161514131211109876543210
Bk[2:0]Row[13:0]Column[9:0]M0
Table 3-31. Interleaved Mapping for DDR-SDRAM Configuration: 16K Rows, 1024 Columns, 8 Banks
CPU Address Line
2726252423222120191817161514131211109876543210
Row[13:0]Bk[2:0]Column[9:0]M0