[Diy_efi] Audi Chip

[Gerard]

That's what I did on my Hitachi unit. Desoldered it and replaced with a
EEPROM. Someone out in the USA disassembled the ROM code for me and it
was a simple matter of changing the tables.

Sorry, I don't know what that part number refers to, can't recall but I
will check next weekend when I am near the machine again.

I have the European-like ECU, the Hitachi MAC13A. What "MAC" is this
chip from?

G.

Mike wrote:
> 
> If I remember correctly from my old Hitachi numbers it
> is most likely a ROM based micro, or it could be a dedicated
> timer chip and the rom is elsewhere, I also recall some people
> with sole european ECUs were unsoldering the rom and repalcing it
> with an eeprom,
> 
> rgds
> 
> mike
> 
> At 03:00 PM 3/28/03 -0700, you wrote:
> >Guys--anyone got good info on the HN61364P chip in the Audi ECM ? Pinouts,
> >Eprom programming settings ??
> >
> >Lyndon.
> >
> >
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