External Memory Interface Handbook Volume 3: Reference Material: For UniPHY-based Device Families

ID 683841
Date 3/06/2023
Public
Document Table of Contents

3.5.1. I/O Aux Sharing

The I/O Aux contains a hard Nios-II processor and dedicated memory storing the calibration software code and data.

When a column contains multiple memory interfaces, the hard Nios-II processor calibrates each interface serially. Interfaces placed within the same I/O column always share the same I/O Aux. The Quartus Prime Fitter handles I/O Aux sharing automatically.