PWM Interrupt Status Register 1
| CHID0 | Counter Event on Channel 0 |
| CHID1 | Counter Event on Channel 1 |
| CHID2 | Counter Event on Channel 2 |
| CHID3 | Counter Event on Channel 3 |
| FCHID0 | Fault Protection Trigger on Channel 0 |
| FCHID1 | Fault Protection Trigger on Channel 1 |
| FCHID2 | Fault Protection Trigger on Channel 2 |
| FCHID3 | Fault Protection Trigger on Channel 3 |