AFE5818: The output data of AFE5818 is abnormal

Part Number: AFE5818

I would like to know the reason for the waveform anomaly, and whether my register configuration is correct,
The registers configured for AFE5818 are:
0x00 0x0001
0x01 0x0014
0x03 0x2000
0x04 0x0011
0xC3 0x0050
0xC4 0x5000