SPRUIE9D May 2017 – May 2024 DRA74P , DRA75P , DRA76P , DRA77P
Table 17-89 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.