FPGA Central - World's 1st FPGA / CPLD Portal

FPGA Central

World's 1st FPGA Portal

 

Go Back   FPGA Groups > NewsGroup > FPGA

FPGA comp.arch.fpga newsgroup (usenet)

Reply
 
LinkBack Thread Tools Display Modes
  #1 (permalink)  
Old 10-08-2007, 06:19 PM
Guest
 
Posts: n/a
Default kicad or orcad virtex5 symbol

Hi all,

I'm designing a board based on a virtex5 (XC5VLX50). I'm surprised, I
can't find virtex 5 symbols for using with orcad or kicad.
I only found a post explaining how to create symbol in orcad using ISE
pin file. But it requires Orcad Capture, and I plan tu use kicad
(http://www.lis.inpg.fr/realise_au_lis/kicad/) for schematics, and
only Cadence Allegro, the Orcad router for PCB.

This is the first time I work with Xilinx, but I know for Altera FPGA,
the Orcad symbol was freely downloadable..

So if anyone can help me, or have an interesting link..

Thanks by advance,

Best regards, Michel.

Reply With Quote
  #2 (permalink)  
Old 10-09-2007, 03:53 AM
Guest
 
Posts: n/a
Default Re: kicad or orcad virtex5 symbol

On Oct 8, 9:19 am, [email protected] wrote:
> Hi all,
>
> I'm designing a board based on a virtex5 (XC5VLX50). I'm surprised, I
> can't find virtex 5 symbols for using with orcad or kicad.
> I only found a post explaining how to create symbol in orcad using ISE
> pin file. But it requires Orcad Capture, and I plan tu use kicad
> (http://www.lis.inpg.fr/realise_au_lis/kicad/) for schematics, and
> only Cadence Allegro, the Orcad router for PCB.
>
> This is the first time I work with Xilinx, but I know for Altera FPGA,
> the Orcad symbol was freely downloadable..
>
> So if anyone can help me, or have an interesting link..
>
> Thanks by advance,
>
> Best regards, Michel.


You won't find an FPGA symbol; it isn't done that way anymore.

You may find some (typically evaluation) boards where there is a
symbol for each bank, but this gets clumsy, and thwarts any automated
error checking.

Common practice is to create a seperate symbol for each interface
connected to the FPGA. So you would have (for instance) a symbol for
the Virtex-5 connections to the ethernet phy, another symbol for the
connections to the DRAM, another symbol for the dedicated programming
pins, etc., etc.

My advice: Learn how to create schematic symbols.
G.

Reply With Quote
  #3 (permalink)  
Old 10-09-2007, 10:29 AM
Guest
 
Posts: n/a
Default Re: kicad or orcad virtex5 symbol

On 9 oct, 03:53, [email protected] wrote:
> On Oct 8, 9:19 am, [email protected] wrote:
>
>
>
> > Hi all,

>
> > I'm designing a board based on a virtex5 (XC5VLX50). I'm surprised, I
> > can't find virtex 5 symbols for using with orcad or kicad.
> > I only found a post explaining how to create symbol in orcad using ISE
> > pin file. But it requires Orcad Capture, and I plan tu use kicad
> > (http://www.lis.inpg.fr/realise_au_lis/kicad/) for schematics, and
> > only Cadence Allegro, the Orcad router for PCB.

>
> > This is the first time I work with Xilinx, but I know for Altera FPGA,
> > the Orcad symbol was freely downloadable..

>
> > So if anyone can help me, or have an interesting link..

>
> > Thanks by advance,

>
> > Best regards, Michel.

>
> You won't find an FPGA symbol; it isn't done that way anymore.
>
> You may find some (typically evaluation) boards where there is a
> symbol for each bank, but this gets clumsy, and thwarts any automated
> error checking.
>
> Common practice is to create a seperate symbol for each interface
> connected to the FPGA. So you would have (for instance) a symbol for
> the Virtex-5 connections to the ethernet phy, another symbol for the
> connections to the DRAM, another symbol for the dedicated programming
> pins, etc., etc.
>
> My advice: Learn how to create schematic symbols.
> G.


Thanks for your answer, it seems to be a nice approach to obtain a
schematic easily readable.

Best regards.

Reply With Quote
  #4 (permalink)  
Old 10-29-2007, 06:43 PM
schsym
Guest
 
Posts: n/a
Default Re: kicad or orcad virtex5 symbol


Orcad symbols of Xilinx FPGAs are available from this site:
http://www.schematicsymbol.com
and specifically, the Virtex-5 LX family Orcad schematic symbol is
available on this page:
http://www.schematicsymbol.com/xc5vlx.htm


Reply With Quote
  #5 (permalink)  
Old 10-30-2007, 10:30 AM
colin
Guest
 
Posts: n/a
Default Re: kicad or orcad virtex5 symbol

On 8 Oct, 16:19, [email protected] wrote:
> Hi all,
>
> I'm designing a board based on a virtex5 (XC5VLX50). I'm surprised, I
> can't find virtex 5 symbols for using with orcad or kicad.
> I only found a post explaining how to create symbol in orcad using ISE
> pin file. But it requires Orcad Capture, and I plan tu use kicad
> (http://www.lis.inpg.fr/realise_au_lis/kicad/) for schematics, and
> only Cadence Allegro, the Orcad router for PCB.
>
> This is the first time I work with Xilinx, but I know for Altera FPGA,
> the Orcad symbol was freely downloadable..
>
> So if anyone can help me, or have an interesting link..
>
> Thanks by advance,
>
> Best regards, Michel.


I have just created a generic SPARTAN 3e symbol for ORCAD. I decided
which sizes of FPGA I want to be able to support for the footprint I
want, modified the description of the signals which are different
between fpga size ( the different pins are clearly indicated) then
imported the csv into orcad. It took me half an hour. How many hundred
different variations do you think xilinx should provide?

Colin



Reply With Quote
Reply

Bookmarks

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
OrCAD symbol for the Xilinx V5LX50 FF676 device [email protected] FPGA 4 01-26-2007 03:21 AM
OrCAD Symbol For Xilinx V2PRO Rob FPGA 9 06-15-2005 04:47 AM
Creating Orcad symbol for FPGA with large pin counts KrishK FPGA 1 05-26-2004 08:01 AM


All times are GMT +1. The time now is 03:08 PM.


Powered by vBulletin® Version 3.8.0
Copyright ©2000 - 2020, Jelsoft Enterprises Ltd.
Search Engine Friendly URLs by vBSEO 3.2.0
Copyright 2008 @ FPGA Central. All rights reserved