devsz
| Module Instance | Base Address | Register Address |
|---|---|---|
| i_qspi_qspiregs | 0xFF809000 | 0xFF809014 |
Offset: 0x14
Access: RW
| Bit Fields | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
dev_size_resv_fld RO 0x0 |
bytespersubsector RW 0x10 |
||||||||||||||
| 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
bytesperdevicepage RW 0x100 |
numaddrbytes RW 0x2 |
||||||||||||||
devsz Fields
| Bit | Name | Description | Access | Reset |
|---|---|---|---|---|
| 31:21 | dev_size_resv_fld | RO | 0x0 | |
| 20:16 | bytespersubsector | Number of bytes per Block. This is required by the controller for performing the write protection logic. The number of bytes per block must be a power of 2 number. |
RW | 0x10 |
| 15:4 | bytesperdevicepage | Number of bytes per device page. This is required by the controller for performing FLASH writes up to and across page boundaries. |
RW | 0x100 |
| 3:0 | numaddrbytes | Number of address bytes. A value of 0 indicates 1 byte. |
RW | 0x2 |