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AR# 33468

Spartan 6 FPGA GTP Transceiver Wizard - v1.3 Release Notes and Known Issues


This Answer Record contains the release notes and an updated known issues list for the Spartan-6 FPGA GTP Transceiver Wizard.



For the most recent updates to the IP installation instructions for this core, please go to:

For system requirements, go to:

This answer record contains release notes for the Xilinx Spartan-6 FPGA GTP Transceiver Wizard, v1.3. For the latest core updates, see the product page at:

New Features

  • New device (LX75T) added
  • XAUI protocol file addition
  • CORE_GENERATION_INFO attribute (WebTalk) added

Resolved Issues

  • BUFIO2 incorrectly used for GT clocking
  • All possible values of TXDIFFCTRL are not provided
  • clk_cor_precedence is always assigned "FALSE"

Known Issues

The following are known issues for v1.3 of this core at time of release:

  • (Xilinx Answer 33487) Spartan 6 GTP Transceiver Wizard - Invalid reference clocks can be selected from the GUI
  • Spartan-6 FPGA solutions are pending hardware validation

The most recent information, including known issues, workarounds, and resolutions for this version is provided in the release notes Answer Record for the ISE 11.3 IP Update at: http://www.xilinx.com/support/documentation/user_guides/xtp025.pdf.

Technical Support

To obtain technical support, create a WebCase. Questions are routed to a team with expertise using this product.

Xilinx provides technical support for use of this product when used according to the guidelines described in the core documentation, and cannot guarantee timing, functionality, or support of this product for designs that do not follow specified guidelines.

Core Release History

Date By Version Description
09/16/2009 Xilinx, Inc. 1.3 11.3 release
06/26/2009 Xilinx, Inc. 1.2 11.2 release
04/24/2009 Xilinx, Inc. 1.1 Beta2  
AR# 33468
Date Created 09/14/2009
Last Updated 11/10/2014
Status Active
Type General Article