SPRUI30H November 2015 – May 2024 DRA745 , DRA746 , DRA750 , DRA756
Table 15-89 list the local address to SDRAM address mapping when IBANK_POS = 0 and EBANK_POS = 1.
MAddr[31:N] N = 1 if 16-bit data bus width; N = 2 if 32-bit data bus width | |||||
---|---|---|---|---|---|
row address | bank address | column address | |||
ROWSIZE value | row width (bits) | IBANK value | bank width (bits) | PAGESIZE value | col width (bits) |
0 | 9 | 0 | 0 | 0 | 8 |
1 | 10 | 1 | 1 | 1 | 9 |
2 | 11 | 2 | 2 | 2 | 10 |
3 | 12 | 3 | 3 | 3 | 11 |
4 | 13 | ||||
5 | 14 | ||||
6 | 15 | ||||
7 | 16 |
For EMIF_SDRAM_CONFIG[28:27] IBANK_POS = 0, and EMIF_SDRAM_CONFIG_2[27] EBANK_POS = 1, the EMIF can keep a maximum of 8 banks open at a time and can interleave among all of them.