Interrupt Flag Register
| CH0CD | Channel 0 Conversion Done Interrupt Flag | 
| CH1CD | Channel 1 Conversion Done Interrupt Flag | 
| CH0OF | Channel 0 Data Overflow Interrupt Flag | 
| CH1OF | Channel 1 Data Overflow Interrupt Flag | 
| CH0UF | Channel 0 Data Underflow Interrupt Flag | 
| CH1UF | Channel 1 Data Underflow Interrupt Flag | 
| CH0BL | Channel 0 Buffer Level Interrupt Flag | 
| CH1BL | Channel 1 Buffer Level Interrupt Flag | 
| EM23ERR | EM2/3 Entry Error Flag | 
| OPA0APORTCONFLICT | OPA0 Bus Conflict Output Interrupt Flag | 
| OPA1APORTCONFLICT | OPA1 Bus Conflict Output Interrupt Flag | 
| OPA0PRSTIMEDERR | OPA0 PRS Trigger Mode Error Interrupt Flag | 
| OPA1PRSTIMEDERR | OPA1 PRS Trigger Mode Error Interrupt Flag | 
| OPA0OUTVALID | OPA0 Output Valid Interrupt Flag | 
| OPA1OUTVALID | OPA1 Output Valid Interrupt Flag |