ML64P168 Overview
27,1999 Previous version: 22,1999 4-Bit Microcontroller with Built-in RC Oscillation Type A/D Converter and LCD Driver The ML64P168 is a one-time-programmable ROM-version product, which has one-time PROM (OTP) as internal program memory. On the other hand, the ML64168 is a mask ROM-version product, which has mask ROM as internal program memory.