Interrupt Enable Register
| MOSCS | Main Oscillator Status Interrupt Enable |
| LOCKA | PLL A Lock Interrupt Enable |
| LOCKB | PLL B Lock Interrupt Enable |
| MCKRDY | Master Clock Ready Interrupt Enable |
| PCKRDY0 | Programmable Clock Ready 0 Interrupt Enable |
| PCKRDY1 | Programmable Clock Ready 1 Interrupt Enable |
| PCKRDY2 | Programmable Clock Ready 2 Interrupt Enable |
| PCKRDY3 | Programmable Clock Ready 3 Interrupt Enable |