Have you looked into MMC cards? SPI interface.

http://www.compsys1.com/workbench/On_top_of_the_Bench/MMC_Project/mmc_pr
oject.html

> Hi everyone,
>
> I am trying to interface a compact flash card to a Pic for some cheap
> large storage. >
> But, i'm still a bit lost. There are three ways to interface to a compact
> flash card, and I'm not sure which to use. Has anyone on this list used
> Compact Flash in a design? It strikes me as a cheap and easy, not to
> mention redily available storage media. Has anyone any comments on using
> it (e.g. Just do this it s easy . Or don t bother it too much for a little
> PIC!).
>
> Thanks for reading my post,
>
> Graham North

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