| Field Name | Bits | Type | Reset Value | Description |
|---|---|---|---|---|
| tag | 31:12 | rw | 0x0 | tag |
| index | 11:5 | rw | 0x0 | index |
| reserved | 4:1 | waz | 0x0 | reserved |
| c | 0 | rw | 0x0 |
C Flag When written must be 0. When read, indicates that a background operation is in progress |