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The datasheet mentions the I/O pins are 5V tolerant if Vdd is present. Can you explain in detail what this implies?

Question asked by LPCware Support on Mar 30, 2016

The IO pin will be 5V tolerant if the supply voltage Vdd is present, and they are configured as inputs. VDDIO must be applied to the microcontroller when input voltage is 5V, or else the 5V tolerance does not apply.

 

 

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