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!

AR# 37388

Xilinx PlanAhead Design Assistant - Errors and Warnings while importing constraints to create a new PlanAhead project


This section of the Design Assistant provides more information on messages which occur when importing constraints to create a new PlanAhead project.

Note: This Answer Record is a part of the Xilinx PlanAhead Solution Center (Xilinx Answer 37100). The Xilinx PlanAhead Solution Center is available to address all questions related to PlanAhead. Whether you are starting a new design with PlanAhead or troubleshooting a problem, use the PlanAhead Solution Center to guide you to the right information.


See (Xilinx Answer 34876) ERROR: [HD-UCFReader 25] Cannot loc instance 'dataOut' at site SLICE_X35Y119 found on line 4, Unknown instance type 'RTL_FDRSE'

See (Xilinx Answer 36893) for issues relating to setting IOstandard for new differential ports created in a pin planning project.
AR# 37388
Date Created 08/20/2010
Last Updated 12/15/2012
Status Active
Type General Article