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why i enable the predriver and external interrupt at the same time, the program will enter the external interrupt at the PWM frequency

留郝.1
Associate

just comment the code whitch set the pin to enable the predriver device, the interrupt will be normal​, hope your reply, thank you.

1 REPLY 1

Which STM32?

What is "predriver"?

Describe relevant portion of the hardware - which pins are used?

Read out and check/post content of relevant GPIO, SYSFG (for EXTI mapping), EXTI and TIM registers.

JW