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STM32 ADC_DR register construct

Question asked by coetzee.conrad on Nov 2, 2014
Latest reply on Nov 4, 2014 by Clive One
HI ,

I am reading through some of the data sheet of the STM32F101CB  on the ADC , The adc is 12bit SAR . If it is right aligned does this mean that bits 11-15 is the sign bits , bit4-10 the digital value and bits0-3 the decimal value as with DS18B20?

Or is the whole register value the binary or 2's complement of the read value with the MSB of the register the sign bit (provided its 2's  compliment)?

Does anyone have Idea?