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ADS1263: Cycling Through Inputs

Mitchell Granger
Prodigy 10 points
Part Number: ADS1263

Tool/software:

Hello,

Does anyone know if it's possible to setup the ADS1263 to automatically cycle through multiple inputs sequentially or would I have to write to the INPMUX register after every conversion to change to the next input?

For example, I have an application where I want to use ADC1 on singled-ended inputs 1-3 in turn (AIN1, then AIN2, then AIN3). I can't currently decipher whether I can configure it to make those three conversion after one START signal or if I'd have to follow a more complex process such as: convert AIN1, write to INPMUX, convert AIN2, write to INPMUX, convert AIN3.

Thanks in advance

Mitchell

  • 0
    TI__Mastermind 45135 points

    Hi Mitchell,

    You will have to select the channel by programing MUXP[3:0] and MUXN[3:0] bits in the INPMUX register, however you can configure the ADC to operate in continuous-conversion mode with the START pin or the START1 command. In this mode, ADC1 continuously converts until stopped by taking the START pin low or by sending the STOP1 command.

    BR,

    Dale