UPGRADE YOUR BROWSER

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# 15561

5.1i PACE - A global clock buffer constraint is not read in from the UCF file

Description

Keywords: clock, buffer, global, constraint

Urgency: Standard

General Description:
I place a placement constraint on my global clock buffer in the UCF, but it does not appear in the PACE tool.

Solution

This problem is fixed in the latest 5.1i Service Pack, available at:
http://support.xilinx.com/support/techsup/sw_updates
The first service pack containing the fix is 5.1i Service Pack 1.
AR# 15561
Date Created 09/06/2002
Last Updated 03/06/2005
Status Archive
Type General Article