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VHDL - TI Tap Controller std8980

 
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Old 04-04-2007, 05:44 PM   #1
Default TI Tap Controller std8980


Has anyone used std8980 model from FMF (http://
www.freemodelfoundry.com/)? We are having some problems with the
model and I was wondering if anyone has successfully used this model.

-- Amal



Amal
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Old 04-04-2007, 06:15 PM   #2
Amal
 
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Default Re: TI Tap Controller std8980
On Apr 4, 12:44 pm, "Amal" <akhailt...@gmail.com> wrote:
> Has anyone used std8980 model from FMF (http://www.freemodelfoundry.com/)? We are having some problems with the
> model and I was wondering if anyone has successfully used this model.
>
> -- Amal


Oh, one more thing, does anyone has a pointer to a good tap controller
model?

-- Amal



Amal
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Old 04-23-2007, 02:51 AM   #3
FMF
 
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Default Re: TI Tap Controller std8980
Amal,

Please describe the problem, I will try to help.

Rick


Amal wrote:
> Has anyone used std8980 model from FMF (http://
> www.freemodelfoundry.com/)? We are having some problems with the
> model and I was wondering if anyone has successfully used this model.
>
> -- Amal
>



FMF
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Old 04-23-2007, 02:40 PM   #4
Amal
 
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Default Re: TI Tap Controller std8980
On Apr 22, 9:51 pm, FMF <fmfoun...@sbcglobal.net> wrote:
> Amal,
>
> Please describe the problem, I will try to help.
>
> Rick
>
> Amal wrote:
> > Has anyone used std8980 model from FMF (http://
> >www.freemodelfoundry.com/)? We are having some problems with the
> > model and I was wondering if anyone has successfully used this model.

>
> > -- Amal


The problem is that the internal state machine seems to be ahead of
other devices on the chain. This causes the data transfers not to go
through correctly. The TDO data is sent out too early and the TDI is
sampled too early.

-- Amal



Amal
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