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AR# 30839

10.1 Constraint Editor - Switching UCF does not always re-load editor content correctly

Description

When running "Create Timing Constraints" in ISE, I select "Show constraints from specified file only", and select "top.ucf" for the top module. Correct "Pad to Pad" constraints are displayed. When I select a different UCF file, "more_timing.ucf" for a submodule, the "clk" specs are correctly loaded. However, "Pad to Pad" is still displayed in the UCF text view.

Solution

This problem has been fixed in the latest 10.1 Service Pack available at: 

http://www.xilinx.com/support/download/index.htm
 

The first service pack containing the fix is 10.1 Service Pack 1.

AR# 30839
Date Created 04/28/2008
Last Updated 05/22/2014
Status Archive
Type General Article