Interrupt Enable Register
| TIE | Transmit Interrupt |
| TSE | Transmit Process Stopped |
| TUE | Transmit Buffer Unavailable |
| TJE | Transmit Jabber Timeout |
| OVE | Receive Overflow Enable |
| UNE | Transmit underflow Enable |
| RIE | Receive Interrupt Enable |
| RUE | Receive Buffer Unavailable Enable |
| RSE | Receive Process 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 |