Hi support team,
We developed AD9258 ADC custom board for some project application to capture I and Q sample. we are testing an AD9258 ADC in test mode operation using bare metal code, with test pattern output toggle between 0 and -1. we are capturing output in ILA, we observed that after more iteration of data capturing in ILA random signed bit values like 385, 656, -385 etc. instead of the expected 0 and -1 values. we also changed the DCO (Data Clock Output) delay register setting to adjust the clock delay. but still we are not getting constant 0 and -1 pattern.
please find below screenshot of output data capture in ILA.
Above screenshot shows the 0 and -1 test pattern in AD9258 ADC test mode operation
After multiple time of iteration we are getting random values and sone noisy data as shown in below attached screenshot
Please provide some solution on that, this is urgent requirement for our project.
Thanks and regards
