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11.1 Virtex-5 MAP Known Issues - OSERDES/IODELAY/OBUFDS using IOSTANDARD DIFF_HSTL_II_DCI not mapped correctly

AR# 32518

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Last Updated 09/09/2010
Status Active
Description


My design ran ok in ISE version 10.1, but now I am seeing unroutable connections involving some of my OSERDES I/O which drive through an IODELAY to an OBUFDS using IOSTANDARD DIFF_HSTL_II_DCI. Is this a known issue? 

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Solution

An 11.1 regression for such a case has been seen on an internal design. A fix is scheduled for ISE version 11.2. If you encounter this problem prior to the release of version 11.2, please open a Webcase and refer to this Answer Record by number.

Applies To

Devices

  • Virtex-5 FXT
  • Virtex-5 LX
  • Virtex-5 LXT
  • Virtex-5 SXT
  • Virtex-5 TXT
  • Virtex-5Q
  • Virtex-5QV

Design Tools

  • ISE Design Suite - 11.1
 
 
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