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ADS1216: When POL = 0, are both DIN & DOUT clocked on the following edge of SCK?? . thank you
Yes, with either CPOL=0 or CPOL = 1, the SDI/SDO of the ADS1216 should be valid on the second clock edge (CPHA=1). This equates to the typical SPI mode 1 or mode 3 operation.