Low Latency 40-Gbps Ethernet IP Core User Guide

ID 683745
Date 3/08/2021
Document Table of Contents LL 40GbE IP Core User Interface Data Bus

The user interface width depends on your IP core variation. The LL 40GbE IP core provides two different client interfaces: the Avalon-ST interface and a custom interface.

  • Custom streaming interface (no adapters): Data bus width is 128 bits.
  • Avalon-ST interface: Data bus width is 256 bits.

Both interfaces operate at 312.5 MHz.