Hi Kanchan, I assume that you are using below connections to your microcontroller(as a master): 1. Using SDI from CN3 connector to your microcontroller's MOSI. 2. Using SDO from CN5 connector to your microcontroller's MISO. 3. You are not using SDO from CN3 and SDI from CN5. If my understanding is correct, these connections are right, but you will have to program the configuration register in each ADC device with identical values The device must operate with single SDO-0 output. Also, bits 7-0 in SDO_CTL_REG register must be programmed to 00h. Thanks. Regards, Dale
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