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[2833x] problems with the adc

Carolina Viviescas
Prodigy 10 points


hi i'm working with  the starter kit  ezdsp F28335   and I have downloaded some examples from texas in which the ADC is being used, however the register of the adc, ADCRESULTn, is always cero unless i increase the input to 2,6V  then it read something but the value is wrong, any ideas of what is going on?  is there any hardware  that i have to do besides of  putting the input in the adc channel? ,also is there any way to extract the results from the ADC and send them to a text file?....the example that i'm using is adc_seq_ovd_test 

Thanks

 

  • 0
    TI__Guru* 92790 points

    Carolina Viviescas said:

    hi i'm working with  the starter kit  ezdsp F28335   and I have downloaded some examples from texas in which the ADC is being used, however the register of the adc, ADCRESULTn, is always cero unless i increase the input to 2,6V  then it read something but the value is wrong, any ideas of what is going on?  is there any hardware  that i have to do besides of  putting the input in the adc channel? ,also is there any way to extract the results from the ADC and send them to a text file?....the example that i'm using is adc_seq_ovd_test 

    Thanks

     

    Please see if this thread answers your question:

    http://e2e.ti.com/support/microcontrollers/tms320c2000_32-bit_real-time_mcus/f/171/t/68405.aspx

    Regards,

    Lori