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The tx voltage value of the master is too low

Category: Hardware
Product Number: AD2428
Software Version: 19.3

Hello, I encountered some problems when using thHello, I encountered some problems when using the AD2428 and need your help. My peripheral is an acceleration sensor. When I use the master to transmit TDM signals to the soc, the voltage value of the TX is very low. I measured the VIOVDD to be 1.9V, which is normal. I attached my measurement results, which are only tens of mV, which is obviously abnormal. I want to ask what causes this problem. Is it my software configuration, my hardware, or my SOC configuration?