dramifwidth
This register controls the interface width of the
SDRAM controller.
| Module Instance | Base Address | Register Address |
|---|---|---|
| sdr | 0xFFC20000 | 0xFFC25030 |
Offset: 0x5030
Access: RW
Important: To prevent indeterminate
system behavior, reserved areas of memory must not be accessed by software or
hardware. Any area of the memory map that is not explicitly defined as a register
space or accessible memory is considered reserved.
| Bit Fields | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
Reserved |
|||||||||||||||
| 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
Reserved |
ifwidth RW 0x0 |
||||||||||||||
dramifwidth Fields
| Bit | Name | Description | Access | Reset |
|---|---|---|---|---|
| 7:0 | ifwidth | This register controls the width of the SDRAM interface, including any bits used for ECC. For example, for a 32-bit interface with ECC, program this register to 0x28. The ctrlwidth register must also be programmed. |
RW | 0x0 |