Re: gEDA-user: gEDA and PCB ------

[Karel Kulhavý <clock@twibright.com>]

On Fri, Oct 08, 2004 at 08:07:48AM -0700, Stephen Meier wrote:
> Welll that depends on a few things. What do you mean by free? Free as in 
> open source or free as in no cost? From xilinx you can get a no cost 

Free as no cost required to _run_ the thing. I. e., a tool that costs 0
to download and runs on Windows only that cost $$$ a licence is of
no interest for me.

Cl<
> version of their tools. But these only support some devices. Is Icarus 
> capable of generating the bit stream? That I don't know.
> 
> Steve Meier
> 
> Karel Kulhavý wrote:
> 
> >On Fri, Oct 08, 2004 at 07:30:48AM -0700, Stephen Meier wrote:
> > 
> >
> >>Well for about $2500.00 you can buy from xilinx their foundation tool 
> >>set which does run on linux as well as windows and solaris.
> >>
> >>We actually used Icarus to model the verilog code and then use the 
> >>xilinx tools to turn it into a bit stream.
> >>   
> >>
> >
> >Is it possible to convert .xnf into JEDEC for Xilinx using some free 
> >software?
> >
> >Cl<
> > 
> >
> >>Steve Meier
> >>
> >>
> >>Karel Kulhavý wrote:
> >>
> >>   
> >>
> >>>On Thu, Oct 07, 2004 at 07:30:33PM -0700, Stephen Meier wrote:
> >>>
> >>>
> >>>     
> >>>
> >>>>My board is off to the fab house. 15 inches by 8.6 inches some 1050 
> >>>>parts. I will write a script to count pads latter.
> >>>>
> >>>>Xilinx Virtex II pro V30.... 896 pin BGA 1 mm pich vias in pads
> >>>>
> >>>>(4) 100 pin quad flat pack devices.
> >>>> 
> >>>>
> >>>>       
> >>>>
> >>>How do you program the Xilinx?
> >>>
> >>>
> >>>
> >>>     
> >>>
> >>>>8 layer board which really isn't enough.... time to get PCB to have a 
> >>>>reasonable number of layers... yes yes i know it will be a lot of work.
> >>>>
> >>>>Back anotation is missing so I wrote a program that flips the pins in 
> >>>> 
> >>>>
> >>>>       
> >>>>
> >>>What is back annotation?
> >>>
> >>>Cl<
> >>>
> >>>
> >>>
> >>>     
> >>>
> >
> > 
> >
>