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[partial-reconfig] BUFG placing for PAR



Hi,
I've a problem with the use of clock resources in PartialReconfinguration.
Exactly: I've generated a DCM by CoreGen, with internal feedback that
added automatically a bufg to the output.
During implementation PA give me the following error:

Update PR after resolution...
Clock Buffer DCM_inst/CLK0_BUFG_INST (it's the buffer placed by
Coregen at the output of DCM) is not place after constraints
resolution.
It'a a requirement that all clock buffer be located after constraints
resolution...

But I place it in the way of the other bufg that I added manually into
the top...
The DCM is added to ISE project of the top_level as XAW file, ang bufg
is included.

Can someone help, me?

Regards
Ely
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