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Another (hopefully) fast F28M35H52C1 question

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I am trying the ADC SOC program.  Ive compiled and put the necessary code on both cores.  I am now sending a 200Hz 1Vpp signal from a function generator into pin A0 on the ADC section of the board (with ground of the function generator attached to board ground).  I can't get the graph to display anything useful, and based on watching the voltage arrays defined in the program, I think something is wrong, but I'm not exactly sure what.  I'm getting values and I have no idea what they mean.  Any insight?  Am I setting this up wrong?

the dips on the graph are from suspensions of the C28.  This has to be from me setting a graph up incorrectly..


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