Just to have a quick way to calculate the prescaler value for required PWM frequency… Made this while testing the Nucleo-F446RE devboard with STM32F446RE processor, should be valid for all STM32-s.
| Clock frequency (MHz): | |
| Wished PWM steps: | |
| Wished PWM frequency (Hz): |
| Calculated prescaler value: | |
| Rounded prescaler value: |