>I found two almost identical chips with
>no trace of markings re: the 68HC05. I assume Apple
>made sure these were not going to be confused for 
>Motorola's brand.

Apple probably bought the 68HC05 "core" from Motorola as a "macro" to its 
design automation system, and then had whomever make the composite chip 
for them.

Nearly every microcontroller can be had that way (even PowerPC), and 
there is no requirement for the composite chip to be made by the 
originator of the microcontroller.

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