R-Tile Avalon® Streaming Intel® FPGA IP for PCI Express* User Guide

ID 683501
Date 10/07/2022
Document Table of Contents Single PERST

The following is an example where a single PERST# (pin_perst_n) is driven with independent refclk0 and refclk1. In this example, the add-in card (FPGA and Soc) is powered up first. The R-tile refclk0 is fed by the on-board free-running oscillator and the refclk1 driven by the Host becomes stable later. Hence, the PERST# is connected to the Host.

Figure 5. Single PERST# Connection in Bifurcated 2x8 Mode

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