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The Synopsys General Purpose I/O (GPIO) is designed to provide a set of general purpose bi-directional inputs and outputs and is available in multiple configurations to best match the user's specific application.

The GPIO has an AMBA® APB bus-compliant interface, and the operation is controlled by software via the APB bus interface, including programming the value for the general-purpose bi-directional outputs or controlling the direction for the external bi-directional pads.

Highlights & Key Features

Highlights
Highlights + -

  • Key Benefits:
    • Low Power friendly implementation
    • Low level device driver included
    • Industry standard interfaces (AMBA® APB)
    • Area efficient solution
  • GPIO Supported Features:
    • AMBA APB compliant bus interface.
    • Configuration of bidirectional ports direction by software.
    • Programming outputs value by software
    • Multiple number of bi-directional bit configurations
  • Sample Applications:
    • LEDs: Driving LEDs or other indicators
    • General Purpose: Configuration of any general purpose I/O
    • FETs: Controlling FETs or other off-chip devices
    • Switch:Sensing static and dynamic inputs

    • Resources

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