| Read block size | rd_block_size | C_NPI_DATA_WIDTH | type of transfer | ImplemtedImplemented |
|---|
| 4 bytes | X”0” | 32 | 1 word xfer |  | | 8 bytes | X”0” | 64 | 2 words xfer | | | 16 bytes | X”1” | 32-64 | 4-word cache-line burst |  , not tested | | 32 bytes | X”2” | 32-64 | 8-word cache-line burst | , not tested | | 64 bytes | X”3” | 32-64 | 16-word burst | | | 128 bytes | X”4” | 32-64 | 32-word burst | | | 256 bytes | X”5” | 64 | 64-word burst | |
|
