[SI-LIST] Re: Reg: Editing in IBIS model
- From: Shravan Rao <shravanrao.k2e3@xxxxxxxxx>
- To: si@xxxxxxxxxxxxxxxxxxxxxxx
- Date: Tue, 3 Jul 2012 15:25:39 +0530
Hello,
Instead of assigning IBIS model to whole cyclone IV component, try to
assign IO model of your choice to pin of interest in cyclone IV
component.This can be done in two ways.
WAY 1:
1.Assign default given IBIS model (.dml) to cyclone IV component in cadence
PCB SI.
2.Extract the topology of your interest in cadence spectraquest.
3.The cyclone VI pin of your interest would have been extracted, it would
be driver/receiver assigned with whatever model defined in IBIS.
4.Now go to model editor and change the buffer model to IO model of your
interest.
WAY 2:
1.Keep IBIS model of Cyclone VI converted .dml
2.Do not assign any model to Cyclone VI
3.Extract the topology of your interest in cadence spectraquest.
4.The cyclone VI pin of your interest would have been extracted, it would
be driver/receiver assigned with cadence default model.
5.Now go to model editor and change the buffer model to IO model of your
interest.
Shravan Rao
On Tue, Jul 3, 2012 at 10:56 AM, SI <si@xxxxxxxxxxxxxxxxxxxxxxx> wrote:
> Hi all,
>
>
> I have cyclone IV ibis model (EP4CE30F780 ) but the pin no in cyclone IV
> datasheet is not matching with the pin connection in the board. According
> to
> the board configuration I want to edit the ibis model so that the buffers
> models in the ibis matches with that of the board. Suppose ibis pin 2 is
> cmos IO but according to board I want to make it ttl3p3_cio_dio which is at
> pin no 343 in ibis model.
>
>
>
> I tried editing after converting ibis into dml model but many warnings are
> coming. Also I tried to rename/reorder Spice pins option (from Alegro model
> integrity-> tools -> dml-> reorder/rename Espice pins) but the option is
> not
> active. Is there any other option for this problem? Any idea/ hints will be
> highly appreciated.
>
>
>
> Thanks & Regards,
>
> SI - Team
>
> Caliber Interconnect Solutions Pvt Ltd
> <http://www.caliberinterconnect.com> www.caliberinterconnect.com
>
>
>
>
>
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--
Your's
*Shravan Rao*
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