Date   : Sun, 07 Mar 1999 13:00:23 +0100
From   : "Mark Usher" <marku@...>
Subject: Re: Econet, etc.

Hi

> >I think also it might
> >be a Motorola chip rather than a Rockwell one.
> It is.
Definitely. It can be found at the Motorola site, and using their fax back
system you can request it's datasheet.

> try http://www.xs4all.nl/~ganswijk/chipdir/
Always a good start. Motorola is at
http://mot2.mot-sps.com/home/fax_rqst.html
and order document mc68b54p on the fax back service.

>Someone posted a URL to the list a couple of weeks ago containing on-
>line datasheets for some of the major ICs used in the Beeb.  Can't
>remember if the 68b54 was among them.  I've had a look through previous
>messages but think it must have expired.  Anyone?
Definitely worth bookmarking, the 68b54 is unfortunately not among them.
http://www.nic.funet.fi/pub/cbm/documents/chipdata/index-t.html

> George Hawes (formerly of SJ, now working for i-cubed) produced a superb
> series of training and application notes on the workings of Econet.  If
> you ask him nicely, he might be willing to dig them out and send them to
> you.  support@... is the address I think.
If you get this, please forward me a copy also. It will save us all
pestering George for the docs.


Mark