| Bit Index | Default | Access Type | Description |
|---|---|---|---|
| 2 | 1’b0 | RW |
Run Set to 1 to arm performance counters. Counter starts after the Control register Run bit is set. Set to 0 to halt performance counters. |
| 1 | 1’b0 | WO |
Clear Write 1 to clear performance counters. |
| 0 | 1’b0 | RW |
Auto Automatically stop performance counters when a descriptor with the stop bit is completed. Automatically clear performance counters when the Control register Run bit is set. Writing 1 to the Performance Monitor Control register Run bit is still required to start the counters. |