Interrupt Enable Register
| TIE | Transmit Interrupt Enable |
| TSE | Transmit Stopped Enable |
| TUE | Transmit Buffer Unvailable Enable |
| TJE | Transmit Jabber Timeout Enable |
| OVE | Overflow Interrupt Enable |
| UNE | Underflow Interrupt Enable |
| RIE | Receive Interrupt Enable |
| RUE | Receive Buffer Unavailable Enable |
| RSE | Receive Stopped Enable |
| RWE | Receive Watchdog Timeout Enable |
| ETE | Early Transmit Interrupt Enable |
| FBE | Fatal Bus Error Enable |
| ERE | Early Receive Interrupt Enable |
| AIE | Abnormal Interrupt Summary Enable |
| NIE | Normal Interrupt Summary Enable |