Lpc2000

On Friday 02 April 2004 16:03, microbit wrote:
> > > 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.

NAND gives you up to 256MBytes in a single chip and is faster.

-- CHarles