Lattice Semiconductor 10/100 and 1Gig Ethernet MAC Ethernet Media Access Controller User’s Guide

Below you will find brief information for Ethernet Media Access Controller 10/100 and 1Gig Ethernet MAC. The Ethernet Media Access Controller (MAC) core can be configured to operate in either the Gigabit mode (1000 Mbits/sec data rate) or the Fast Ethernet mode (10/100 Mbits/sec data rate). The Ethernet MAC transmits and receives data between a host processor and an Ethernet network. This document provides a detailed guide to the features, functionalities, and implementation of the core. It also includes descriptions of the internal registers and FIFO interfaces.

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Lattice Semiconductor Ethernet Media Access Controller 10/100 and 1Gig User's Guide | Manualzz

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Key features

  • Compliant to IEEE 802.3z Standard
  • Generic Host Interface
  • Full-duplex Operation in Gigabit Mode
  • Supports Jumbo Frames up to 8192 kbytes
  • Reference Design for GMII to RGMII Bridge
  • Transmit and Receive Statistics Vector
  • Multicast Address Filtering
  • Supports VLAN Tagged Frames
  • Supports Full-duplex Control Using PAUSE Frames

Frequently asked questions

The configurable parameters include the operating mode (Gigabit or Fast Ethernet), the data bus width, and whether or not the optional MIIM module is included.

The Rx MAC supports various filtering methods to block unwanted frames, including filtering based on MAC address, frame length, and multicast address.

The Tx MAC supports two methods for transmitting PAUSE frames: by receiving a PAUSE frame from the network and by directly signaling the Tx MAC to transmit a PAUSE frame.
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