Select which timer pair to use with features, currently supported:
l0x1-tim21-tim22
- STM32L0x1 TIM21+TIM22f0x1-tim15-tim17
- STM32F0x1 TIM15+TIM17f0x1-tim15-tim16
- STN32F0x1 TIM15+TIM16f0x2-tim15-tim17
- STM32F0x2 TIM15+TIM17h743v-tim15-tim17
- STM32H743 rev.V TIM15+TIM17
Other timer combinations are possible as well.