FEDL63193-04

1Semiconductor

This version:

Sep. 2001

Previous version: Mar. 2000

ML63193

4-Bit Microcontroller with Built-in 1024-Dot Matrix LCD Driver and Melody Circuit.

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GENERAL DESCRIPTION

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