Lpc2000

would it be possible for some alternative iap firmware to implement
non-blocking access?

On 5/10/06, jayasooriah <jayasooriah@...> wrote:
>
> --- In lpc2000@yahoogroups.com, "Bryce Schober" <bryce.schober@...> wrote:
> >
> > I just want to make sure that I'm reading this right before
> committing to
> > using a serial flash. It seems that the lpc21xx on-chip can't really
> be used
> > for eeprom emulation in real-time scenarios, since its sector erase
> takes
> > hundreds of milliseconds and is a blocking function. I guess that's
> why some
> > of philips' competitors have a separate data flash for such usage.
> The price
> > point of the lpc21xx doesn't look so good for us, when you have to
> tack on
> > an extra $1+ for an external SPI flash device.
> >
> > --
> > Bryce Schober
>
> Also flash update must be done in 16-byte chunks.  Anything less will
> result in content corruption because of the way EDC is implemented on
> the LPC family.
>
>
>
>
>
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--
Bryce Schober


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