Interrupt Enable Register
| CMDRDY | Command Ready Interrupt Enable |
| RXRDY | Receiver Ready Interrupt Enable |
| TXRDY | Transmit Ready Interrupt Enable |
| BLKE | Data Block Ended Interrupt Enable |
| DTIP | Data Transfer in Progress Interrupt Enable |
| NOTBUSY | Data Not Busy Interrupt Enable |
| ENDRX | End of Receive Buffer Interrupt Enable |
| ENDTX | End of Transmit Buffer Interrupt Enable |
| RXBUFF | Receive Buffer Full Interrupt Enable |
| TXBUFE | Transmit Buffer Empty Interrupt Enable |
| RINDE | Response Index Error Interrupt Enable |
| RDIRE | Response Direction Error Interrupt Enable |
| RCRCE | Response CRC Error Interrupt Enable |
| RENDE | Response End Bit Error Interrupt Enable |
| RTOE | Response Time-out Error Interrupt Enable |
| DCRCE | Data CRC Error Interrupt Enable |
| DTOE | Data Time-out Error Interrupt Enable |
| OVRE | Overrun Interrupt Enable |
| UNRE | UnderRun Interrupt Enable |