The question of Timer break configuration

[yang2]

Dear All,

I am currently configuring the break function of TIM1 on the STM32H5. Does anyone know the difference between these two polarity settings?

(I am unable to distinguish between these two settings. If I set one to high and the other to low, is the actual fault signal active low or high?)

[GMA]

Hello @yang2,

Please refer to RM0481 document, "Break and Break2 circuitry overview" figure:

You can let BKxP to High (as default setting) and BKxINP will gives the needed polarity.