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ADS7038: Register to read AIN converted channels in autonomous mode.

Sesha Sreeramula
Prodigy 10 points
Part Number: ADS7038

Tool/software:

I am trying to read latest ADC channels on the ADS7038 in auto-sequencing mode. What is not clear to me and the datasheet is which register do I read to get the recently converted values. I have tried 0x00, 0xA0 and 0xA1.

  • 0
    TI__Genius 14700 points

    Hi Sesha,

    You do not necessarily have to read from those registers. It is faster to read directly from the SPI interface. Here, after auto-sequencing has been configured, you can just send SCLK to get conversion data back on SDO. This is similar to how data is obtained in manual mode. Is there any reason you would want to read from the registers other than directly over the SPI interface?

    Regards,
    Joel