AVR-Chat

Ouch - thanks for that Mike - that may well tilt me away from SD. Do all the
other card formats have similar licencing?

Dean

On Tue, Feb 2, 2010 at 4:58 AM, Mike Payson <mike@kludgineering.com> wrote:

> If you're making a product for sale, be sure to read the license terms of
> each technology before deploying. It's possible that you may decide that
> one
> tech is better than the other for non-technical reasons. I'm not familiar
> with Dataflash, but I can tell you that in order to include a SD card slot
> in your product you are required to join the Secure Digital Association,
> which costs a couple thousand dollars, and to pay annual license fees per
> product, which are thousands more. It's been a while since I looked, but I
> believe it was around $5000 for the first year and $2-3k for all future
> years if you sell only one product. The price is regardless of whether you
> sell one board or millions.
>
> I suspect that you could make a small hobbyist board without having to
> worry
> about the license fees, but it is something that you should be aware of.
>
> On Mon, Feb 1, 2010 at 3:22 AM, Dean Claxton <deanclaxton@gmail.com>
> wrote:
>
> > Hi all,
> >
> >  I've been a little out of touch with AVR's of late, and was surprised to
> > see the XMEGA part on the web site. Looks like a very capable little chip
> -
> > lots of goodies built in that could be very useful. When did it come out?
> > The datasheet revisions date back to 2008 - I must have been living under
> a
> > rock.
> >
> > The project is a datalogger for automotive use, and the XMEGA part looks
> > quite attractive, but I'm still undecided on the storage side.
> >
> > I understand that dataflash is fast, but realistically what sort of
> speeds
> > could I expect if I used an SD card for data? SD would offer a much
> larger
> > capacity than dataflash, and low cost too, but how well do they go?
> >
> > Anyone here with experience with both? I have quite a number of 64Mbit
> > dataflash chips on hand so it would make sense to use them, but I dont
> want
> > to compromise the design just because the parts are on the shelf.
> >
> > Thanks
> > Dean
> >
> >
> > [Non-text portions of this message have been removed]
> >
> >
> >
> > ------------------------------------
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
>
>
> [Non-text portions of this message have been removed]
>
>
>
>  ------------------------------------
>
> Yahoo! Groups Links
>
>
>
>


-- 
Kind Regards
Dean Claxton


[Non-text portions of this message have been removed]