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Handling Unused Pins of Traveo MCU - KBA213943 | Cypress Semiconductor

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Handling Unused Pins of Traveo MCU - KBA213943

Last Updated: September 15, 2016

What is the recommendation for terminal setting of unused GPIO pins? 


Leaving unused input pins open may cause permanent damage from a malfunction or latch-up. Take measures for unused pins such as pulling up or pulling down the voltage with resistors of 2 kilo ohms or higher.

If there are any unused input/output pins, set them to the output state and then open them, or set them to the input state and handle them in the same way as input pins.

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