AR# 13876

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8.1i NGDBuild - "WARNING:NgdBuild:477 - clock net '%s' has non-clock connections Xvendor=%s Xleid=%d Xhiername=%s"

Description

The following warning occurs in NGDBuild:  

 

"WARNING:NgdBuild:477 - clock net '%s' has non-clock connections Xvendor=%s Xleid=%d Xhiername=%s."

Solution

Ensure that the clock signal is connected to synchronous elements on the clock pin. 

 

When a BUFG or BUFGP is driving non-clock pins, the warning points out non-clock connections on the clock tree. These connections can result in timing constraint overlap and gated clocks; the warning is issued to help you avoid these problems.

AR# 13876
Date 05/14/2014
Status Archive
Type General Article
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