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TMS570LC4357: ETPWM Trip Zone input

Part Number: TMS570LC4357
Other Parts Discussed in Thread: HALCOGEN,

Hi, I have configured nTZ1, nTz2 and nTZ3 as the trip zone inputs for the PWM engine. I have enabled the interrupt for these signals and try to catch the ISR in HL_Notification.c file with etpwmTripNotification function.

I have pulled the pin C3 by connecting to DC ground to trigger interrupt.I did not found the break point hit in the function etpwmTripNotification. I have tried to configure the HalcogGen ETPWM1 with Enable TZ1 as a CBC trip source, and one-shot trip source. No luck.

Looking for help to solve the issue.

Regards,

Chandra