ML63189B - 4-Bit Microcontroller with Built-in 1024-Dot Matrix LCD Drivers and Melody Circuit / Operating at 0.9 V (Min).

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.

• Rich instruction set 408 instructions Transfer, rotate, increment/decrement, arithmetic operations, comparison, logic operations, mask operations, bit operations, ROM table reference, stack operations, flag operations, branch, conditional branch, call/return, control.
• Rich selection of addressing modes Indirect addressing of four data memory types, with current bank register, extra bank register, HL register and XY register. Data memory bank internal direct addressing mode.