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Aurora 2.4 error

When I try to Implement a design with an Aurora core (v2.4) in it I get the following error:

ERROR:NgdBuild:753 - Line 68 in 'toplevel.ucf': Could not find instance(s) 'Inst_aurora_sample/aurora_module_i/lane_0_phase_align_i/phase_align_flops_r* ' in the design. To suppress this error specify the correct instance name or remove the constraint.

The path to the FFs is correct.

If I comment the following lines in "phase_align.vhd", it all seems to work OK:

-- Attribute Declaration attribute KEEP_HIERARCHY : string; attribute KEEP_HIERARCHY of RTL: architecture is "true";

Does anyone know what's going on here please?

TIA,

Rog.

Reply to
Roger
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Could you list which device family are you targeting, what was the configuration ( # of lanes, 2/4 bytes, streaming/framing etc ) you choose to generate the design and the ISE tool's version which is throwing this error? With these details I might be able to answer your question.

Roger wrote:

'Inst_aurora_sample/aurora_module_i/lane_0_phase_align_i/phase_align_flops_r*

Reply to
Hemanth

Thanks, the device family in V2Pro and the configuration is 1 lane, 4 byte, framing with version 8.2 of ISE. I hope this help.

Rog.

Reply to
Roger

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