‘buffer’ register to bridge the actual memory-mapped register to the internal DAP transactions (also used to support case on non-register based calls)
| 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
|---|---|---|---|---|---|---|---|---|
| R | data[31:0] | |||||||
| W | ||||||||
| Reset | 0 | |||||||
| 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
|---|---|---|---|---|---|---|---|---|
| R | data[31:0] | |||||||
| W | ||||||||
| Reset | 0 | |||||||
| 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
|---|---|---|---|---|---|---|---|---|
| R | data[31:0] | |||||||
| W | ||||||||
| Reset | 0 | |||||||
| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
|---|---|---|---|---|---|---|---|---|
| R | data[31:0] | |||||||
| W | ||||||||
| Reset | 0 | |||||||