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AR# 8670

4.1i Constraints Editor - The SLEW options for Virtex-II do not work

Description

Urgency: Hot

General Description:

In Constraints Editor, I try to place a slew rate constraint on an I/O; however, the resulting constraint uses the old version of this constraint rather than the new one. How can I fix this?

Solution

To work around this problem, modify the UCF manually as follows:

NET "my_net" SLEW=FAST;

AR# 8670
Date Created 08/31/2007
Last Updated 01/18/2010
Status Archive
Type General Article