Answers Database


2.1i: Constraints Editor; Constraints w/out quotes are interpreted as source constraints.


Record #6710

Product Family: Software

Product Line: M1 Implementation

Product Part: Constraints Editor

Product Version: 2.1i

Problem Title:
2.1i: Constraints Editor; Constraints w/out quotes are interpreted as source constraints.


Problem Description:
Urgency: Standard

General Description:
When invoking the Constraints Editor on a UCF/NGD file that
has several location constraints defined without quotations (" ")
around the netnames and pinnames The Constraints Editor
interprets the first location constraint as a non-editable source
constraint.


Solution 1:

Edit the UCF to include quotation marks similar to the following:

NET "netname" LOC = "P34";

Run the design through the translate process again so as to
be sure your constraints will be implemented.




End of Record #6710 - Last Modified: 11/18/99 12:26

For the latest news, design tips, and patch information on the Xilinx design environment, check out the Technical Tips!