Can stm32 stop PWM output through hardware?

syn222

Can stm32 stop PWM output through hardware? [Copy link]

Does stm32f407 have a pdpint pin similar to dsp? When a signal is input to the chip, the PWM output can be turned off directly on the chip.

le062

There are several methods to add a MOS switch to directly shut down the external output; There is a trigger function in the TIM module of STM32, and the gating mode may be useful for your needs; Use GPIO interrupts and adjust the interrupt priority to the highest, so that the CPU can manually turn off PWM; The response time of the above methods increases in turn

huo_hu

Just use brake interruption, only advanced timer can do it

syn222

le062 posted on 2018-5-21 11:34 There are several ways to add a MOS switch to directly shut down the external output; the TIM module of stm32 has a trigger function, and the gating mode may be useful for you...

Well, thank you, I understand

syn222

huo_hu posted on 2018-5-21 12:14 Just use the brake interrupt, which is only available in advanced timers

Yes, thank you, I understand