We have detected your current browser version is not the latest one. Xilinx.com uses the latest web technologies to bring you the best online experience possible. Please upgrade to a Xilinx.com supported browser:Chrome, Firefox, Internet Explorer 11, Safari. Thank you!

AR# 66988

UltraScale Architecture PHY for PCI Express - Release Notes and Known Issues


This answer record contains the Release Notes and Known Issues for the UltraScale Architecture PHY for PCI Express Core and includes the following:

  • General Information
  • Known and Resolved Issues
  • Revision History

This article is part of the PCI Express Solution Centre

(Xilinx Answer 34536) Xilinx Solution Center for PCI Express


Supported devices can be found in the following three locations:

  • Open the Vivado tool -> IP Catalog, right-click on the IP and select Compatible Families.
  • For a list of new features and added device support for all versions, see the Change Log file available with the core in Vivado design tools.

Changes in v1.0 (Rev2)

  • Bug Fix
    • Added ASPM option to enable the data filtering in L0s state
    • Correction in GT reset sequence during the rate change
    • Change in CDRHold logic to ensure that the CDR and RX equalization logic functions correctly and avoids invalid data
  • Feature Enhancement
    • Added xcku115 device support
    • Added Gen4 Support for UltraScale+ devices xcvu3p-ffvc1517 and xczu9eg-ffvb1156
    • Added Spec 0.7 EIEOS Support for Gen4
  • Other
    • Revision change in one or more subcores

Version Table

This table correlates the core version to the first Vivado design tools release version in which it was included.

Core Version Vivado Tools Version
v1.0 (Rev2) 2016.3
v1.0 (Rev1) 2016.2
v1.0 2016.1


Known and Resolved Issues

The following table provides known issues for the UltraScale Architecture PHY for PCI Express core, starting with v1.0, initially released in Vivado 2016.1.

Note: The "Version Found" column lists the version the problem was first discovered.

The problem might also exist in earlier versions, but no specific testing has been performed to verify earlier versions.

Answer Record Title Version Found Version Resolved


Other Information:

  • NA

Revision History:

04/13/2016 Initial release
08/06/2016 Updated for 2016.2 Release
10/05/2016 Updated for 2016.3 Release
AR# 66988
Date 11/24/2016
Status Active
Type Release Notes
  • PCI-Express (PCIe)