Cyclone® V Hard Processor System Technical Reference Manual

ID 683126
Date 8/28/2023
Public
Document Table of Contents

2.2.8.8. GPIO Interfaces

The HPS provides three GPIO interfaces that are based on Synopsys* DesignWare* APB* General Purpose Programming I/O peripheral and offer the following features:

  • Supports digital de-bounce
  • Configurable interrupt mode
  • Supports up to 67 dedicated I/O pins and an additional 14 input-only pins