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Re: [lpc2000] Re: Anybody implement NAND flash driver on LPC210x ?

2004-04-02 by microbit

> > Why is the I2C and SPI all used up? Do you really have the entire
> I2C
> > address space used up? Why can't you spare one of the GPIO lines as
> an
> > SPI chip select and have an SPI flash?
>
> SPI gives up to about 128kbytes in a single chip. With NAND flash you
> can get up to 256MBytes in a single chip.

On Atmel's DataFlash you get up to like 8 Mbytes in a SPI device, and also
with a
handy dual RAM cache.
The need to write sectors sequentially for levelling is a pain though.

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