On Sat, 17 Mar 2007 23:41:04 -0700, SparkyGuy
put finger to keyboard and composed:

Identify the other ICs and work backwards.

The 8-pin says "3-544" and is probably a 73-544 clock gen. The resonator is
right there between it and the 40 pin'r.

Could it be a house-numbered serial EEPROM, eg 93Cxx ???

According to the datasheet for the COP8 ...

port pin# function
----------------------------------------------
G4 3 SO (MICROWIRE Serial Data Output)
G5 4 SK (MICROWIRE Serial Clock)
G6 5 SI (MICROWIRE Serial Data Input)

I think the DIP-14 and DIP-16 IO chips should give you a clue as to
the uC's port layout. I'm betting that one chip drives various
external relays while the other accepts inputs from sensors.

- Franc Zabkar
--
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