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AR# 34940

Embedded Tri-mode Ethernet MAC Wrapper (Virtex-4) v4.8 - Release Notes and Known Issues for ISE 12.1, ISE 13.1 and ISE 14.1


This Answer Record contains the Release Notes for the LogiCORE Embedded Tri-mode Ethernet MAC Wrapper v4.8, whichwas originally released in ISE Design Suite 12.1 and later tested for ISE Design Suite 13.1 and 14.1,and includes the following:

  • New Features
  • Bug Fixes
  • Known Issues

For installation instructions, general CORE Generator software known issues, and design tools requirements, see the IP Release Notes Guide at: http://www.xilinx.com/support/documentation/ip_documentation/xtp025.pdf.


New Features
  • ISE 12.1 software support
  • ISE 13.1 software support
  • ISE 14.1 software support

Resolved Issues

  • (Xilinx Answer 31860) Virtex-4, Virtex-5 Embedded Tri-Mode Ethernet MAC - Problems switching from 10/100 Mb/s to 1G GMII operation
  • (Xilinx Answer 33045) Embedded Tri-mode Ethernet MAC Wrapper (Virtex-4) v4.7 - When using SGMII example design failures are seen in implementation
  • (Xilinx Answer 33456) Embedded Tri-Mode Ethernet MAC - The final byte of the Frame Check Sequence (FCS) is duplicated for some transmitted frames

Known Issues

  • (Xilinx Answer 30574) Embedded Tri-mode Ethernet MAC Wrapper (Virtex-4) - Loopback might fail in 1000BASE-X or SGMII mode
  • (Xilinx Answer 32544) Embedded Tri-mode Ethernet MAC Wrapper (Virtex-4) - Implementation of MII interface might fail in MAP due to I/O banking rules
  • (Xilinx Answer 43338) Virtex-4/Virtex-5/Virtex-6 FPGA Embedded Tri-mode Ethernet MAC Wrapper - Configured for MII, GMII, or RGMII operation at 10 Mbps, MDIO transactions errors can occur
  • (Xilinx Answer 47354) Virtex-4/Virtex-5 Embedded Tri-Mode Ethernet MAC Wrapper - Simulation Failure using Cadence IES 11.1
AR# 34940
Date Created 04/13/2010
Last Updated 05/16/2012
Status Active
Type Release Notes
  • Virtex-4 FX
  • ISE Design Suite - 12.1
  • ISE Design Suite - 13.1
  • ISE Design Suite - 14.1
  • Virtex-4 Tri-Mode Ethernet Media Access Controller