Article Q9. What is the SPI mode of operation of the AD4116, what polarity do I need to consider?

The interface operates in SPI Mode 3 (CPOL=1, CPHA=1) wherein SCLK idles high, the falling edge of SCLK is the drive edge, and the rising edge of SCLK is the sample edge. Data is clocked out on the falling/drive edge and data is clocked in on the rising/sample edge.

    Figure 2 SPI Mode 3

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