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sythesizing CPLD project
by AbieA on Nov 8, 2012
AbieA
Posts: 12
Joined: Sep 2, 2011
Last seen: Dec 18, 2012
I am trying to synthesize a CPLD project, which was originally implemented in ISE 8.2.
furthermore, the code was burned on a CPLD board and worked fine.

When trying to synthesize the project with ISE v9.1i (with Xilinx XST synthesizer) I got the following failure message:

WARNING:UtilitiesC:159 - Message file "� �� �¶ 2 � XST_IMPLEMENTATION_CONSTRAINTS.msg" wasn't found.
41Process "Synthesize" failed

This warning prevents me from implementing the design.

Does someone know what it indicates?

Can advise me what to do?

Thanks,

Abe
RE: sythesizing CPLD project
by great_snowman on Nov 8, 2012
great_snowman
Posts: 1
Joined: Jan 18, 2012
Last seen: Sep 9, 2016
Hello Abe

Try to read www.xilinx.com/itp/xilinx10/books/docs/xst/xst.pdf start at page 442.

Best
Thomas
RE: sythesizing CPLD project
by AbieA on Nov 8, 2012
AbieA
Posts: 12
Joined: Sep 2, 2011
Last seen: Dec 18, 2012
I reviewed the document, but didn't find any reminder to this file:

XST_IMPLEMENTATION_CONSTRAINTS.msg.

Do you know by any chance what this file mean?

Is it possible that I need to install an additional service pack or something?

Maybe a file is missing?

Thanks,

Abie
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