Dave McGuire wrote:
I have no idea, but I'd guess 68HC11 or
derivatives. -Dave
Or 68HC05. Other vendors would have had a wider variety of choices, but
before Motorola spun of Freescale, they would have likely had a
preference for using their own components.
Typically such products would have used masked-ROM parts, rather than
flash, EEPROM, EPROM, or OTP.