AVR-Chat

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


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