MODE1 Interrupt Enable Set
| PER0 | Periodic Interval 0 Interrupt Enable |
| PER1 | Periodic Interval 1 Interrupt Enable |
| PER2 | Periodic Interval 2 Interrupt Enable |
| PER3 | Periodic Interval 3 Interrupt Enable |
| PER4 | Periodic Interval 4 Interrupt Enable |
| PER5 | Periodic Interval 5 Interrupt Enable |
| PER6 | Periodic Interval 6 Interrupt Enable |
| PER7 | Periodic Interval 7 Interrupt Enable |
| CMP0 | Compare 0 Interrupt Enable |
| CMP1 | Compare 1 Interrupt Enable |
| TAMPER | Tamper Enable |
| OVF | Overflow Interrupt Enable |