What problem may arise when the voltage of the reference H pin of the A/D converter is less than the power supply voltage of the microcomputer?

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What problem may arise when the voltage of the reference H pin of the A/D converter is less than the power supply voltage of the microcomputer?

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• Answer :When the voltage of the reference H pin of the A/D converter is less than the power supply voltage of the microcomputer, it may exceed various tolerances in electrical characteristics because A/D conversion is performed between the reference H pin and reference L pin.

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