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AR# 19302

6.1i, Architecture Wizard, DCM - The 2X feedback is not available for Virtex-II Pro devices. Why?


General Description: 

When setting up clocking wizard for a Virtex-II Pro design, clocking wizard does not allow setting the feedback 

to "2X". Why?


The 2X feedback is not supported in Virtex-II Pro Devices. Please refer to (Xilinx Answer 18343) for more information.  


This restriction is implemented in the latest 6.2i Service Pack available at: 

The first service pack containing this update is 6.2i Service Pack 2.

AR# 19302
Date Created 09/03/2007
Last Updated 05/16/2014
Status Archive
Type General Article