Copy of: Delco ECM uP type

[Matt Sale]

> 
> Does anyone out there know what the basis of the uP used in 
> my Delco sourced ECM is?
> 
> The service number is:
> 161322411.6D MAN FED 16161499 AXMZ
> 
> The prom is a 27128 type mounted on a blue/brown 
> header plugged into the pcb.
> 
> On the pcb are a number of 52 pin plcc packaged ic's
> markings as follows
> 

> 
> Martin Evans
> 
> 

Don't know for sure, but it should be either a 68HC11A8 or 68HC11E9.  I
don't remember any other uP's that were packaged in 52-pin PLCC's.


-- 
Matthew D. Sale 
Delco/Motorola Joint Design Center      E-mail: mds at mot.delcoelect.com