RE: {Spam?} RE: {Spam?} RE: [cobalt-users] Intel Flash EEPROM (ROM)

["Phil Beynon" <phil@xxxxxxxxxxxxxxxxxxxxxxxxx>]

> On Tue, 16 Mar 2004, Phil Beynon wrote:
>
> > I have a vauge recollection that on some EEPROMs there is a
> difference in
> > the programming tool used for a first time program against an
> update over an
> > existing program, it's been a long time since I did that sort
> of hardware
> > design / repair.
> > It's probably worth looking up the spec and app notes on the
> Intel site for
> > that chip type as a starting point, there is a good chance the
> routine is
> > downloadable from there.
>
> I used to design embedded systems, and did a lot of work on EEPROMS,
> including in-circuit programming, we used boot-block eeproms, and there
> was always a way to recover, as the progam in the boot-block was never
> erased, when reflashing the remainder of the chip.
>
> Gerald
> --
So are you thinking along the lines of the main code being in the higher
pages and a bootstrap loader in the base page? In which case the normal
flashing routine if it using a non paged load is going to have really
different results on this Intel device!

Phil

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