General-Purpose I/O User Guide: Agilex™ 5 FPGAs and SoCs

ID 813934
Date 4/05/2024
Public
Document Table of Contents

4.2. HPS I/O Features

The I/O bank within the HPS interface supports single-ended IO standards.

Power Pins for the HPS I/O Buffers

The VCCIO_HPS pin powers the I/O buffers located in the HPS I/O bank within the HPS I/O interface.

HPS I/O Buffer Features

The HPS I/O buffer supports these features:

  • Programmable current strength
  • Programmable weak pull-up and pull-down resistor
  • Programmable open-drain output
  • Programmable slew rate
  • Schmitt Trigger input buffer
  • Programmable delay chain
  • On-die termination impedance