Re: interfacing USB flash disk

From: Ulf Samuelsson (ulf_at_atmel.nospam.com)
Date: 03/25/04 

Date: Thu, 25 Mar 2004 02:10:45 +0100

You might want to consider AT45DBCxxx Dataflash cards.
SPI interface, well documented in the datflash datasheets
and low cost.
Only drawback is that the size is currently limited to 8 MBytes. 

-- 
Best Regards,
Ulf Samuelsson   ulf@a-t-m-e-l.com
This is a personal view which may or may not be
share by my Employer Atmel Nordic AB
"Tim Mitchell" <timng@sabretechnology.co.uk> skrev i meddelandet
news:PgEKhQVANCYAFAJH@tega.co.uk...
> I am designing a microcontroller based device which needs to connect to
> PC, probably by USB, and also needs some removable storage.
>
> My first thought was to use compact flash for the storage because I've
> done that before & know how to use it. But then I wondered about using
> the USB flash disks you can get (the pen-type things built into a USB
> plug). I presume the problem with this would be (A) my device would have
> to be a USB host which adds a lot of complication and (B) getting the
> information on how to communicate with the flash disk. Has anyone tried
> to do this?
> -- 
> Tim Mitchell