TIM8 capture/compare mode register 3
| OC5FE | Output compare 5 fast enable |
| OC5PE | Output compare 5 preload enable |
| OC5M | OC5M[2:0]: Output compare 5 mode |
| OC5CE | Output compare 5 clear enable |
| OC6FE | Output compare 6 fast enable |
| OC6PE | Output compare 6 preload enable |
| OC6M | OC6M[2:0]: Output compare 6 mode |
| OC6CE | Output compare 6 clear enable |
| OC5M_1 | OC5M[3] |
| OC6M_1 | OC6M[3] |