[chbot] FPGAs again ... Info so far

[Richard Jones]

Just an idle thought. I wonder how good the chosen FPGA solution is at a->d
and d->a conversion? Just wondering about machine vision applications.

Richard

On Wed, Jul 27, 2011 at 11:43 PM, Michael Field <hamster at snap.net.nz> wrote:

> On 27/07/2011 10:11 p.m., Volker Kuhlmann wrote:
> > Web edition usually means the design is uploaded to some website, and
> > the result downloaded. Same as not having a C compiler, but having to
> > use someone's online service for compiling.
> The Web Edition does compile locally - I've just built a VGA controller
> without any internet connectivity.
>
> As far as I can tell, the Quartus II free-to-use "Web Edition" software
> includes very limited "IP cores" (predesigned & verified things like DDR
> memory controllers), no version control or team-based design
> enhancements, no incremental compilation, no support for parallel builds
> and no support for FPGA based transceivers (which are not on the part
> that the DE0-nano uses anyway).
>
> There is a "TalkBack" feature . When enabled it uploads metadata on your
> design and tool usage to Altera. In return using it enables some
> debugging features like "SignalTap II" and "SignalProbe". [quote] Altera
> provides the SignalTap II Logic Analyzer to help with the process of
> design debugging. This logic analyzer is a solution that allows you to
> examine the behavior of internal signals, without using extra I/O pins,
> while the design is running at full speed on an FPGA device. [/quote]
>
> See http://www.altera.com/literature/po/ss_quartussevswe.pdf,
> http://www.altera.com/literature/hb/qts/qts_qii53009.pdf and
> http://www.altera.com/support/kdb/talkbackfaq.html for more info.
>
> Altera do provide a free simulation package, the limitations are that it
> is 33% slower than the licensed version and only supports projects with
> less than 10,000 lines of executable code. This shouldn't be a problem
> for projects on the DE0-nano, which only has 22,000 logic elements.
>
> Mike
>
>
>
>
>
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