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AR# 6435

ngdbuild: BUFE or BUFT cannot drive an OPAD directly for Virtex. ERROR xvkpu - The symbol page1$4p/i5 failed to join a regular I/O component as required. Buffer is not an I/O buffer.

Description

Keywords: ngdbuild, bufe, buft, Virtex xvkpu

Urgency: Standard

Problem Description:

ngdbuild will issue the following error is a BUFE or BUFT output drives the OPAD directly:
ERROR:xvkpu - The symbol page1$4p/i5 failed to join a regular I/O component as
required. Buffer is not an I/O buffer.

Solution

Using the output of BUFT or BUFE to drive OPAD is actually an illegal connection. Users
should use OBUFT or OBUFE components instead.
AR# 6435
Date Created 08/31/2007
Last Updated 06/13/2002
Status Archive
Type ??????