UPGRADE YOUR BROWSER

We have detected your current browser version is not the latest one. Xilinx.com uses the latest web technologies to bring you the best online experience possible. Please upgrade to a Xilinx.com supported browser:Chrome, Firefox, Internet Explorer 11, Safari. Thank you!
  1. Xilinx - Adaptable. Intelligent.
  2. Support
  3. AR# 7872: 2.1i Ngdbuild: WARNING:NgdHelpers:359 - The input pad net "U_Txclk" driving one or more clock

AR# 7872

2.1i Ngdbuild: WARNING:NgdHelpers:359 - The input pad net "U_Txclk" driving one or more clock

Description

Keywords:

Warning, NgdHelpers, 359, Driving, Clock, Buffer, Bufg

Urgency: Standard

General Description:

Running Ngdbuild, the following warning may occur:

WARNING:NgdHelpers:359 - The input pad net "U_Txclk" driving one or more clock

What does this warning mean?

Solution

This warning is caused by using combinatorial logic or a regular buffer other the bufg
to drive clock pins of Flip FLops. As long as timing and skew are within the design
requirement, this warning can be safely ignored.
AR# 7872
Date 12/10/2001
Status Archive
Type General Article
Page Bookmarked