DMA/Interrupt enable register
| UIE | Update interrupt enable |
| CC1IE | Capture/Compare 1 interrupt enable |
| CC2IE | Capture/Compare 2 interrupt enable |
| COMIE | COM interrupt enable |
| TIE | Trigger interrupt enable |
| BIE | Break interrupt enable |
| UDE | Update DMA request enable |
| CC1DE | Capture/Compare 1 DMA request enable |
| CC2DE | Capture/Compare 2 DMA request enable |
| TDE | Trigger DMA request enable |