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Physical design rules error during mapping with Xilinx8.1i
by aniket on Jan 18, 2007
aniket
Posts: 1
Joined: Dec 5, 2008
Last seen: Jun 11, 2013
Hi

i am having problems with trying to generate a bitfile for my design.
I am using Xilinx 8.1i and it is reporting the following errors during
mapping and place and route.

ERROR: PhysDesignrules:760 - Incompatible programming for IO Standard.
IO Standard LVDS_25 of comp IO_x_x_x_X_x_x_x/iobuf_dqs/
IO does not allow both input and output programming on the same comp.

Does anyone know anything about this error?

Physical design rules error during mapping with Xilinx8.1i
by Unknown on Jan 18, 2007
Not available!
On Wednesday 17 January 2007 20:35, aniket at asic-architectinc.com wrote:
i am having problems with trying to generate a bitfile for my design.
I am using Xilinx 8.1i and it is reporting the following errors during
mapping and place and route.

ERROR: PhysDesignrules:760 - Incompatible programming for IO Standard.
IO Standard LVDS_25 of comp IO_x_x_x_X_x_x_x/iobuf_dqs/
IO does not allow both input and output programming on the same comp.

Does anyone know anything about this error?
You apparently are using an IOBUF for an LVDS signal, which is illegal. -- Wesley J. Landaker wjl at icecavern.net> wjl at icecavern.net> OpenPGP FP: 4135 2A3B 4726 ACC5 9094 0097 F0A9 8A4C 4CD6 E3D2 -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 189 bytes Desc: not available Url : http://www.opencores.org/forums.cgi/cores/attachments/20070118/2d7730b9/attachment.pgp
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