| 31:28 |
– |
– |
Reserved |
| 27:23 |
– |
– |
Reserved |
| 22:18 |
– |
– |
Reserved |
| 17:13 |
– |
– |
Reserved |
| 12 |
– |
– |
Reserved |
| 11 |
1'b0 |
RW |
In AXI4-Stream mode, disables HTC write-back and enables default write-back
when set to 1. |
| 10 |
0x0 |
RW |
Polling mode enable. When set to 1, the HTC engine automatically writes back
the completion count to a predefined memory address after processing descriptors with
the Completed flag, for host polling. |
| 9:7 |
– |
– |
Reserved |
| 6 |
1'b0 |
RW |
Enables logging of descriptor completion flags in the Status register. If the
corresponding interrupt enable bit is asserted, an interrupt is triggered
simultaneously. |
| 5 |
1'b0 |
RW |
Enables logging of descriptor stop flags in the Status register. If the
corresponding interrupt enable bit is asserted, an interrupt is triggered
simultaneously. |
| 4 |
– |
– |
Reserved |
| 3 |
– |
– |
Reserved |
| 2 |
– |
– |
Reserved |
| 1 |
– |
– |
Reserved |
| 0 |
1'b0 |
RW |
Run bit for the HTC engine. When set to 1, the engine starts data transfer.
Clearing this bit stops the engine after completing the current descriptor if
busy. |