FORD & Chrysler ECM's

Chad Clendening clendenc at odo.msoe.edu
Sun May 4 22:27:34 GMT 1997


I currently am working on a 85 Chrylser 2.2 turbo ECM.  It has 2 2764,
8kx8 EPROM's in it.  I will probably have access to a 85 Mopar performance
ECU for innercooler and over 15 pounds of boost in a month.  


The pinout of the processor matches that of the 6803.  Can anyone verify
the processor for this? 

>From my first look at the code in it, it appears that the tables are in  
the high Eprom from E000 to E4D7. This is the eprom closest to the edge
of the board and is at E000-FFFF in the memory map.  

Also, Does anyone know what the sc87313CP chip is?  Is it a port
replacement unit?  It handles alot of I/O, and from the looks of the code
the only communication between the processor and this chip is from 2000 to
200E.  Some of these spots are biderectional and some one way.



 




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