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Original question:

MSP430AFE253: Firmware question for TIDM-MSP430AFE253SUBMETEREVM soluiton

MSP430F6779: SD24 sample result

Terry Deng
Intellectual 2485 points
Part Number: MSP430F6779

Hi All

We input voltage 0.455V into SD24 ADC pin, and set internal reference 1.2V, we expect the ADC value should be 0.455*（2^24-1）/1.2=6361360

However we try to read ADC result by several times and found result has much difference as below, do you think if any possible reason?

6813306                6791826                        6596934

6926496                6953734                        6166032

7956268                7248024                        6384816

7532230                7626950                        6673594

8247180                8416324                        7396284

7175816                7252200                        6155190

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