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ADC128S102 reading problem

Vaibhav Patil1
Prodigy 20 points

Hello,

I am using ADC128S102 ADC IC for ADC data reception. Can any one tell me how to read data from this IC on SPI port.

  • 0
    TI__Expert 3355 points

    Hello Vaibhav,

    The R/W protocol is described in the DS. Could you tell me what you tried?

    In the simplest form you need to provide an SCLK and CS\, leave DIN pulled low. Toggle CS\ up and down, alowing at least 16 cycles of SCLK while CS\ is low. Then at the DOUT pin read the data resulting from the conversion: at he 5th rising edge of the SCLK (after CS\ transitioned to LOW) you will sample the MSB of the conversion; at the 16th rising edge of the SCLK you will sample the LSB.

    Sincerely,

     

    tom