Channel interrupt enable register
| TIE | Transmit Interrupt Enable |
| TXSE | Transmit Stopped Enable |
| TBUE | Transmit Buffer Unavailable Enable |
| RIE | Receive Interrupt Enable |
| RBUE | Receive Buffer Unavailable Enable |
| RSE | Receive Stopped Enable |
| RWTE | Receive Watchdog Timeout Enable |
| ETIE | Early Transmit Interrupt Enable |
| ERIE | Early Receive Interrupt Enable |
| FBEE | Fatal Bus Error Enable |
| CDEE | Context Descriptor Error Enable |
| AIE | Abnormal Interrupt Summary Enable |
| NIE | Normal Interrupt Summary Enable |