Voltage level I/O pins

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Voltage level I/O pins

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FruitSalad1
Contributor I

LPC55S16. Some output pins have 0,2V-3,3V, while others have 0,2V-2,0V. Why?

Have a look at my attachment.

regards

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Harry_Zhang
NXP Employee
NXP Employee

Hi @FruitSalad1 

The voltage range of output pins on an LPC55S16 microcontroller can vary depending on the specific pin and its configuration. Some pins are designed to work with a 3.3V logic level, while others are designed for a 2.0V logic level. This is due to the different internal circuitry and electrical characteristics of the pins.

BR

Hang

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