Interrupt Enable Register
| START | START Condition Interrupt Enable | 
| RSTART | Repeated START condition Interrupt Enable | 
| ADDR | Address Interrupt Enable | 
| TXC | Transfer Completed Interrupt Enable | 
| TXBL | Transmit Buffer level Interrupt Enable | 
| RXDATAV | Receive Data Valid Interrupt Enable | 
| ACK | Acknowledge Received Interrupt Enable | 
| NACK | Not Acknowledge Received Interrupt Enable | 
| MSTOP | MSTOP Interrupt Enable | 
| ARBLOST | Arbitration Lost Interrupt Enable | 
| BUSERR | Bus Error Interrupt Enable | 
| BUSHOLD | Bus Held Interrupt Enable | 
| TXOF | Transmit Buffer Overflow Interrupt Enable | 
| RXUF | Receive Buffer Underflow Interrupt Enable | 
| BITO | Bus Idle Timeout Interrupt Enable | 
| CLTO | Clock Low Interrupt Enable | 
| SSTOP | SSTOP Interrupt Enable |