General Purpose I/O pins are used for system control and connection of various devices. This (GPIO) controller provides dedicated general-purpose pins that can be configured as either inputs or outputs. There can be 32 (programmable*) General Purpose Input/output pins. All the GPIO pins in input mode can generate interruptions. Each GPIO can be configured independently of all other GPIO. The GPIOs allow data input and IRQ generation
Generic GPIO controller
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Generic GPIO controller
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