1228331 ECU Processor

Malcolm Robb, LC 0112G Webmaster at lotus-carlton.fsnet.co.uk
Tue Apr 11 14:33:38 GMT 2000


Hi again,
I'm in the middle of dissassembling my EPROM into HC11 assembler using the 
tools on the ftp site. However, I can't make sense of some of the 
processors internal periperal registers. I have downloaded a couple of data 
sheets from the Motorola web site, but so far, none of them look right. The 
problem is there are dozens of variants of HC11, and each data sheet is 
several megabytes long (one is 17MB) , so it could take me till Christmas 
to download them all to find the one I want.

So does anyone know the exact processor type in the 1228331 ECU is ? Or if 
it's a 'GM special' is there one commercially available version of the HC11 
that most closley resembles it ?

TIA
Malcolm Robb, LC 0112G

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