[Diy_efi] making sense of ecu bin

[Tom Cheung]

if i find a disassembler would it get me any closer?
would you know what kind of language is used to program the bin
i guess i would also need to learn how to program a bit too
am i trying to find a needle in a haystack??

Tom

----- Original Message -----
From: "Phil Hunter" <diy-efi at t-n-e.com>
To: <diy_efi at diy-efi.org>
Sent: Monday, July 08, 2002 9:10 AM
Subject: Re: [Diy_efi] making sense of ecu bin


> > Can anyone help with figuring out bin code from a hitachi ecm. The
> > processor is a hitachi HD63B03YP. Is it possible to figure out where
> > and what the bin contains, im after the fuel and ignition maps as
> > well as figuring out the formulas involved when calculating using tps,
> > rmp, cts readings. hotwire MAF, TPS etc.... Bosch L ecm
configuration????
> > any ideas about checksums, disasemblers etc... anything
>
> Semi-educated guess is the uP is a Motorola 6803 core. Been a while, but
> IIRC, Hitachi was/is a second source for Mot., using 63XX numbering in
> place of 68XX, the 'B' is a faster clock speed.
>
> HTHs,
> philh
> (digest)
>
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> Diy_efi at diy-efi.org
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>


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