Use the Interrupt Priority Registers to assign a priority from 0 to 3 to each of the available interrupts. 0 is the highest priority, and 3 is the lowest.
| IP_28 | Priority of interrupt 28 |
| IP_29 | Priority of interrupt 29 |
| IP_30 | Priority of interrupt 30 |
| IP_31 | Priority of interrupt 31 |