External Memory Interfaces Intel® Stratix® 10 FPGA IP User Guide

ID 683741
Date 3/11/2022

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3.5.1. I/O SSM Sharing

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

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