Hi Elvar, Thank you for your post and welcome to our forum! What you are seeing generally happens when the host DSP on the MMB0 cannot communicate with the ADC on the ADS1298RECGFE board. Can you probe the following voltage supplies and signals to see if the device is still functioning? Try to probe as close to the device pins as possible (i.e. use the surrounding decoupling capacitors or test points). You can do this without running the EVM software. Just apply power to the MMB0. Supplies: AVDD, AVSS, DVDD VREFP VCAP1 Signals: /DRDY -> should pulse low at the default data rate = 500 SPS Best regards,
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