ML63187 datasheet(1/36 Pages) OKI

Part #	ML63187

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

PDF	36 Pages

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Manufacturer	OKI [OKI electronic componets]

Direct Link	http://www.oki.com

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¡ Semiconductor

ML63187/63189B

1/35

GENERAL DESCRIPTION

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.

The ML63187/63189B is an M6318x series mask ROM-version product of OLMS-63K family,

which employs Oki's original CPU core nX-4/250.

FEATURES

• 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.

• Processing speed

Two clocks per machine cycle, with most instructions executed in one machine cycle.

Minimum instruction execution time

: 61 ms (@ 32.768 kHz system clock)

1 ms (@ 2 MHz system clock)

• Clock generation circuit

Low-speed clock

: Crystal oscillation or RC oscillation selected with

mask option (30 to 80 kHz)

High-speed clock

: Ceramic oscillation or RC oscillation selected with

software (2 MHz max.)

• 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

¡ Semiconductor

ML63187/63189B

4-Bit Microcontroller with Built-in 1024-Dot Matrix LCD Drivers and Melody Circuit,

Operating at 0.9 V (Min.)

E2E0053-59-71

This version: Jul. 1999

Previous version: Mar. 1999

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