E-tile Hard IP User Guide: E-Tile Hard IP for Ethernet and E-Tile CPRI PHY Intel® FPGA IPs

ID 683468
Date 12/13/2021

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Document Table of Contents RX FCS Checking

The RX MAC checks the FCS of all incoming packets that are minimum sized or larger. If the RX MAC detects an FCS error, it marks the frame invalid by asserting o_rx_error[1]. FCS errors are also indicated for arriving packets containing an Error control block.