Hey Frank, I'm aasuming that the second register map image in the file you sent is your register settings for your custom hardware where you are seeing the problems. Is this correct? If so, it should be fine. Have you tried measuring the internal test signal or the internal short? If you set the bits [1:0] of CONFIG2 and change bits [3:0] of CH2SET to 0101, you should be able to measure a 1 mV, 1Hz square wave. You can try this out with the EVM first to make sure the settings are right. If you can measure that with the EVM, but not with your hardware, there may be some issue. in any case could you take a picture of the data you collect and post it here? Brian
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