Can you help me to connect Arduino with AD7718?


I'm trying to connect the Arduino 2 board with the AD7718 using SPI interface.

I have followed the configuration instructions of the AD7718 datasheet but the ADC does not response. The data in ADC input (DIN) is correct (I have checked with the oscilloscope), but the DRDY signal is ever high and so the DOUT signal.

Attach my arduino code, if you want to check it.

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