Lpc2000

--- In lpc2000@yahoogroups.com, "berrycake33" <berrycake33@y...> 
wrote:
> --- In lpc2000@yahoogroups.com, Charles Manning <manningc2@a...> 
> wrote:
> > 
> > Since you have to support SD card anyway, why not just use a 
second 
> SD card 
> > instead of the NAND?
> > 
> > -- Charles
> 
> Charles,
> 
> Your explanation benefits me as well.
> Thanks !!
> 
> Considering the cost and size, 
> we perfer to use NAND flash as built-in memory.
> SD card is for external large storage use.

if you insist to use NAND see 
http://www.xilinx.com/bvdocs/appnotes/xapp354.pdf
Much easier would be to use SPI interface and for example
serial flash like M25P40 from ST (4Mbit/25MHz/8SO)
There is nothing wrong in using SD card for internal storage either.