What is GPIO?

General-purpose input/output: microcontroller pins that software can configure as inputs or outputs, used for reading switches, lighting LEDs and so on.

Field: Embedded Systems & Firmware

GPIO in the explanations

A GPIO pin can be used as either an input or an output under software control.
When using a microcontroller GPIO (general-purpose input/ou…

Questions that mention GPIO (1)

When using a microcontroller GPIO (general-purpose input/output) pin, what must be configured first?

Related terms

Microcontroller Baud rate Bootloader Brown-out detection Contact bounce Debouncing Duty cycle Hard real-time I2C Input capture

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