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Original question:

LAUNCHXL-F28379D: Problem using ADCD module on the development board

TMS320F28377D: Confusion on ADC channel and differential mode

Emma Wang
Expert 5450 points

Part Number: TMS320F28377D

hi expert,

my customer wants to use 176-Pin F28377D. and they want to use the differential mode ADC.

but they found there is only ADCINC2 - ADCINC4 ,which means ADCINC4 can only support single mode ADC.Am I right?

by the way, I found for A-D ground ADC module. In my understanding, ADCINA0 is connected to ADC-A channel 0. Am I right?

But for all four ADC group, ch6-ch13 are not connected with any phisical pin, how to use these channels, ADCIN6 - ADCIN13?  

BR

Emma

  • 0
    TI__Genius 10845 points

    Hi,

    .

    Emma Wang said:
    but they found there is only ADCINC2 - ADCINC4 ,which means ADCINC4 can only support single mode ADC.Am I right?

    Yes, it looks like ADCC4 can be used in single mode only. I will confirm this and get back.

     

    Emma Wang said:
    In my understanding, ADCINA0 is connected to ADC-A channel 0. Am I right?

    Yes, thats correct.

    Emma Wang said:
    But for all four ADC group, ch6-ch13 are not connected with any phisical pin, how to use these channels, ADCIN6 - ADCIN13?

    I will check this and get back.

    Thanks

    Vasudha