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Issue with EPwm1 on 28027

Hello all,

I am facing a problem with the Epwm channel 1. I have a VCO controlled by a sampled analog voltage that shall generate a variable frequency between 30kHz and 70kHz. Everything is fine as long as am running my code with the debug pod connected. Code is written into flash-memory by the way. If I disconnect the debug pod, the Epwm frequency is not in the range mentioned before but in any other (arbitrary) range. If I boot several times it might happen that the desired frequency appears every once in a while but there is no regularity in it. The rest of my code runs fine - I have a 100kHz controll loop that updates the VCO frequency. This loop turns always @ the 100kHz as expected. Slowly but surely I become desperate - what am I missing??

Best regards

Andreas