SPRUIE9D May 2017 – May 2024 DRA74P , DRA75P , DRA76P , DRA77P
A Sync on Channel descriptor stalls the list until the channel specified is free. If the channel is already free then the descriptor will not cause the list to stall. Word 0, Word 1 and Word 2 are reserved.
| Bits | Name | Description |
|---|---|---|
| 31:27 | Packet Type | Host Packet Descriptor Type = Ch |
| 26:24 | Reserved | Reserved |
| 23:16 | Source | Specifies the source used for the control event. |
| 15:4 | Reserved | Reserved for future use |
| 3:0 | Control | Control type = 4h |