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TM4C123GH6PM: ADC Internal Reference, Numeric value.

can altineller
Expert 1760 points

Part Number: TM4C123GH6PM

Hello,

When using  ADCReferenceSet(ADC0_BASE, ADC_REF_INT) for the TM4C123GH6PM, this only HWREGS a certain register to 0. I have read the entire datasheet and adc.h adc.c and hw_adc.h, and could not find what is the internal reference number. Is it using a internal bandgap reference like 1.65V or is it just using the VDDA input?

Best Regards,
C.