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i am using stm32f446re. i am using timer in synchronization mode one timer triggers another timer so my query is master timers triggers slave timer to generate another timer pwm so that triggers value  i want to control so what hal function i use to ...
i am running bldc motor on L6235Q it works properly but when i  increase duty cycle greater than 90% motor get stops so please tell me what is the problem. why my bldc motor is not  running.