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AN72382 - Using PSoC® 3 and PSoC 5LP GPIO Pins | Cypress Semiconductor

AN72382 - Using PSoC® 3 and PSoC 5LP GPIO Pins

Last Updated: 
May 30, 2020

AN72382 shows you how to use GPIO pins effectively in PSoC® 3 and PSoC 5LP. Major topics include GPIO basics, configuration, mixed-signal use, registers, interrupts, and low-power behavior.


The any-signal-to-any-pin routing available with PSoC® 3 and PSoC 5LP GPIOs helps to optimize PCB layout, shorten design time, and allow a large degree of solderless rework. However, with this freedom comes a steeper learning curve than with a traditional microcontroller. This application note introduces you to PSoC 3 and PSoC 5LP GPIO basics and demonstrates techniques for their effective use in a design.

Translated documents are for reference only. We recommend that you refer to the English-language version of a document if you are engaged in development of a design.