Interrupt Enable Register
| MNGMNTDONE | Enable management done interrupt | 
| RXCMPLT | Enable receive complete interrupt | 
| RXUSEDBITREAD | Enable receive used bit read interrupt | 
| TXUSEDBITREAD | Enable transmit used bit read interrupt | 
| TXUNDERRUN | Enable transmit buffer under run interrupt | 
| RTRYLMTORLATECOL | Enable retry limit exceeded or late collision interrupt | 
| AMBAERR | Enable transmit frame corruption due to AMBA (AHB) error interrupt | 
| TXCMPLT | Enable transmit complete interrupt | 
| RXOVERRUN | Enable receive overrun interrupt | 
| RESPNOTOK | Enable bresp/hresp not OK interrupt | 
| NONZEROPFRMQUANT | Enable pause frame with non-zero pause quantum interrupt | 
| PAUSETIMEZERO | Enable pause time zero interrupt | 
| PFRMTX | Enable pause frame transmitted interrupt | 
| PTPDLYREQFRMRX | Enable PTP delay_req frame received interrupt | 
| PTPSYNCFRMRX | Enable PTP sync frame received interrupt | 
| PTPDLYREQFRMTX | Enable PTP delay_req frame transmitted interrupt | 
| PTPSYNCFRMTX | Enable PTP sync frame transmitted interrupt | 
| PTPPDLYREQFRMRX | Enable PTP pdelay_req frame received interrupt | 
| PTPPDLYRESPFRMRX | Enable PTP pdelay_resp frame received interrupt | 
| PTPPDLYREQFRMTX | Enable PTP pdelay_req frame transmitted interrupt | 
| PTPPDLYRESPFRMTX | Enable PTP pdelay_resp frame transmitted interrupt | 
| TSUSECREGINCR | Enable TSU seconds register increment interrupt | 
| RXLPIINDC | Enable RX LPI indication interrupt | 
| WOLEVNTRX | Enable WOL event received interrupt | 
| TSUTIMERCOMP | Enable TSU timer comparison interrupt. |