8192 protocol

Tom Hussey thussey at idirect.com
Sat Feb 13 14:45:55 GMT 1999


Could someone re-publish the link? The link to this I tried won't load.

-Tom

Ron Gregory wrote:
> 
> >Can anyone help me with the SAE or ISO number that relates to the
> 8192 buad
> >ALDL protocol used on many P4 ECM's. It is a standard or did GM make
> it up
> >and not release the specs for it.
> 
> I see that you haven't read the Turbo P4 document, yet....
> The 8192 bi-directional setup is described in there.
> 
> Basically, it is a one-wire TTL interface... on some
> ECMs, it is bi-directinal on a single wire.  The external
> computer is considered to be the commander, and the
> ECM will stop if it gets any sort of command... the biggest
> problem I've had was getting my commands timed properly
> so the ECM sees 'em...
> 
> Read the document..
> ~~~~~
> Ron Gregory
> rgregory at iname.com



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