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RM48L952 NHET1 PWM signal flickers

Other Parts Discussed in Thread: RM48L952, HALCOGEN

Hello. We are using the Hercules RM48L952 board. For one of the PWMs we have configured, periodically the signal gets warped (so the LED we have connected flickers). We are calling the PWM function only once, and I have verified with the debugger and breakpoint we are not transmitting multiple duty cycles and periods. We call the function one time, and just watch it.  The warping comes and goes and we are not triggering anything else. Could this be our HET 1 timing configuration is not good enough? We are now checking the other signals on the same NHET to see if we see the same thing (and may be we never noticed before because we had no LED connected).  Thank you.