Hi Brian, Thank you for your post. The commands you're sending to the ADS9224R look correct for reading and writing registers. There seems to be a slight delay between the SCLK falling edges and the transitions on SDI, but the rising edges still align with the correct data value. However, I did not expect to see SDO mirror SDI like that. This may sound silly, but can you check if there's a short between them? Also, doesSDO always mirror SDI like that, meaning you cannot even read default register contents or conversion data? Best regards,
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