ML63189B Overview
The ML63187/63189B is a CMOS 4-bit microcontroller with built-in 1024-dot matrix LCD drivers and operates at 0.9 V (min.). The ML63187/63189B is suitable for applications such as games, toys, watches, etc. which are provided with an LCD display.
ML63189B Key Features
- Rich instruction set 408 instructions Transfer, rotate, increment/decrement, arithmetic operations, parison, logic opera
- Rich selection of addressing modes Indirect addressing of four data memory types, with current bank register, extra bank
- Processing speed Two clocks per machine cycle, with most instructions executed in one machine cycle. Minimum instruction
- Clock generation circuit Low-speed clock High-speed clock
- Program memory space
- ML63187 : 16K words
- ML63189B : 32K words Basic instruction length is 16 bits/1 word
- Data memory space
- ML63187 : 1024 nibbles
- ML63189B : 1536 nibbles