GENERAL DESCRIPTION

The ML63193 is CMOS 4-bit microcontroller with built-in 1024-dot matrix LCD drivers (64 SEG. × 16 COM.), and operates at 0.9 V (Min). The ML63193 is suitable for applications as games, toys, watches, remote controller, etc. Which are provided with a LCD display.

The ML63193 is an M6318x series mask ROM-version product of OLMS-63K family, which employs Oki’s

original CPU core nX-4/250.

FEATURES

• Extensive instruction set

408 instructions:

Transfer, rotate, increment/decrement, arithmetic operations, compare, logic operations, mask operations, bit operations, ROM table reference, stack operations, flag operations, jump, conditional branch, call/return, control

• Wide variety of addressing modes

Indirect addressing mode for 4 types of data memory with current bank register, extra bank register, HL register and XY register Data memory bank internal direct addressing mode

• Processing speed

2 clocks per machine cycle, with most instructions executed in 1 machine cycle

Minimum instruction execution time : 61 µs (@ 32.768 kHz system clock)

: 1 µs (@ 2 MHz system clock)

• Clock generation circuit

Low-speed clock : Crystal oscillation or RC oscillation selected with mask option (30 kHz to 80 kHz)

High-speed clock : Ceramic oscillation or RC oscillation selected with software (2 MHz max)

• Program memory space

64 K words

Basic instruction length is 16 bits/1word.

• Data memory space

2048 nibbles

• Stack level

Call stack level : 16 levels

Register stack level : 16 levels