Interrupt status register
| MNGMNTDONE | Management frame sent |
| RXCMPLT | Receive complete |
| RXUSEDBITREAD | RX used bit read |
| TXUSEDBITREAD | TX used bit read |
| TXUNDERRUN | Transmit under run |
| RTRYLMTORLATECOL | Retry limit exceeded or late collision |
| AMBAERR | Transmit frame corruption due to AMBA (AHB) error. |
| TXCMPLT | Transmit complete |
| RXOVERRUN | Receive overrun |
| RESPNOTOK | Hresp not OK |
| NONZEROPFRMQUANT | Pause frame with non-zero pause quantum received |
| PAUSETIMEZERO | Pause Time zero |
| PFRMTX | Pause frame transmitted |
| PTPDLYREQFRMRX | PTP delay_req frame received |
| PTPSYNCFRMRX | PTP sync frame received |
| PTPDLYREQFRMTX | PTP delay_req frame transmitted |
| PTPSYNCFRMTX | PTP sync frame transmitted |
| PTPPDLYREQFRMRX | PTP pdelay_req frame received |
| PTPPDLYRESPFRMRX | PTP pdelay_resp frame received |
| PTPPDLYREQFRMTX | PTP pdelay_req frame transmitted |
| PTPPDLYRESPFRMTX | PTP pdelay_resp frame transmitted |
| TSUSECREGINCR | TSU seconds register increment |
| RXLPIINDC | Receive LPI indication status bit change |
| WOLEVNTRX | WOL event received interrupt. |
| TSUTIMERCOMP | TSU timer comparison interrupt. |