When selecting an external reference voltage (VREF) with the ML62Q1000 series successive approximation type A/D converter, should the port (P23) of the VREF pin be set to the input mode?|FAQ|ROHM Semiconductor

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When selecting an external reference voltage (VREF) with the ML62Q1000 series successive approximation type A/D converter, should the port (P23) of the VREF pin be set to the input mode?
- When using P23 as the external reference voltage (VREF), set P23 to invalid input (P23IE = "0") and invalid output (P23OE = "0").
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