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AR# 14265 Design Assistant for XST Help resolving "Xst:529 - Sources are: :, :" Warnings

Description

Refer to this answer record for help resolving "Xst:529 - Sources are: <inst1>:<sig>, <inst2>:<sig>" warnings.

Note: This Answer Record is a part of the Xilinx Solution Center for XST (Xilinx Answer 38927). The Xilinx Solution Center for XST is available to address all questions related to XST. Whether you are starting a new design or troubleshooting a problem, use the Solution Center for XST to guide you to the right information.

Solution

This warning is presented to provide more information about multiple drivers on a particular signal. The instances listed (in this case, "inst1" and "inst2") assign a value to the signal (in this case, "sig") without a corresponding control to avoid contention. There might be more than two instances of this problem; all instances will be listed.

Check these instances and modify your code to avoid the existing contention.

Linked Answer Records

Master Answer Records

Answer Number Answer Title Version Found Version Resolved
38927 Xilinx Solution Center for XST N/A N/A

Associated Answer Records

Answer Number Answer Title Version Found Version Resolved
40379 Design Assistant for XST Help understanding the XST report to resolve errors\warnings N/A N/A

Actions

AR# 14265
Date Created 08/29/2007
Last Updated 12/15/2012
Status Active
Type General Article
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