Modelsim: No default binding for component

Jul 25, 2004 3 Replies

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Jimmy 21 years ago

Hi, all ,

When simulating the behavioral model, it is ok, but when I simulating the post-translate vhdl model, the simulation can't generate valid results (output are all uncertain state U). from the warning, it seems the UnitUnderTest has not been affiliated, Could you help explain what happens ? thx,

** Warning: [1] top_rxfrontend_TB.vhd(143): No default binding for component 'top_rxfrontend'. (Generic 'bitwidth' is not on the entity.) --> actaully I do have this on the entity.

# ** Warning: (vsim-3473) Component 'uut' is not bound.

best regards, Jimmy

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Duane Clark 21 years ago

If I understand what you are saying, then the problem is that your testbench is setting that generic, but the generic does not exist on the post-translate (I assume post-synthesis?) model.

That would be expected; generics are resolved at synthesis time, and do not appear in the post synthesis models. Take a look at the generated file.

My real email is akamail.com@dclark (or something like that).

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Jimmy 21 years ago

the

happens ?

component

actaully I

file.

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Wong 21 years ago

I think you don't have your software setting correctly.

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