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Original question:

3-wire spi not supported ?

ADC141S628-Q1: ADC141S628-Q1 3 wire to 4 wire configuration

Anuj Awasthi
Prodigy 10 points
Part Number: ADC141S628-Q1

ADC141S628-Q1 has 3 pins for SPI communication with only one pin for data transfer(DOUT). I want to communicate it with arduino due board which has 4 pins for SPI communication with 2 pins for data transfer (MISO and MOSI). I tried it with DOUT(ADC141S628-Q1) pin connected to MISO(arduino board) but it is not working. Please suggest SPI configuration.

  • 0
    TI__Mastermind 24428 points
    Anuj,

    This is the correct configuration for the device since this converter does not receive commands (it only transmits data). Can you connect a scope to the data, clock, and chip select line and capture the communications? What data are you receiving?

    Art