Subject:
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Re: Re[2]: Mindstorms NXT programming languages
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Newsgroups:
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lugnet.robotics
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Date:
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Sun, 15 Jan 2006 19:05:04 GMT
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Viewed:
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8357 times
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In lugnet.robotics, Philippe Hurbain wrote:
> > > The RCX contains a chip that says (c)LEGO, upper right in this picture:
> > > http://graphics.stanford.edu/~kekoa/rcx/bot.jpg
> >
> > > What did Lego have to do with the creation of this chip? Does anyone
> > > know what kind of chip this is? (I can't read the numbers on it)
> >
> > > Trevyn
> >
> > That's the Hitachi H-8 Microcontroller. It is merely
> > silk-screened with
> > the Lego logo, they had nothing at all to do with
> > it's development.
>
> I think it is silk-screened with LEGO logo because it contains a rom masked with
> firmware downloader.
Yes, I suspect the same. The ROM mask *is* the custom part of the chip that
LEGO can easily define without big expenditures.
I noticed that the atmel chip also has a boot ROM that is separate from the
flash. If they use that chip we might expect the same kind of thing there.
>
> Philo
Kev
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