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AR# 63156

2014.3 Vivado Partial Reconfiguration - "opt_design -directive Explore" leads to DRC related to DONT_TOUCH not being applied on HD.RECONFIGURABLE instance

Description

When the Explore directive is used with opt_design, the following DRC is flagged at the route_design stage.
 

ERROR: [Drc 23-20] Rule violation (HDPR-20) Tool applied DONT_TOUCH on instance - HD.RECONFIGURABLE cell 'XX' is expected to have a tool applied DONT_TOUCH property.


When the default opt_design directive is used, the flow completes successfully.

Solution

The RM cell is the driver of a load-less net, which causes the DONT_TOUCH property manipulation on the RM cell. 

This issue is fixed in the 2014.4 release of Vivado Design Suite.

 

AR# 63156
Date Created 12/16/2014
Last Updated 03/04/2015
Status Active
Type General Article
Tools
  • Vivado Design Suite - 2014.3