msm63182a Oki Semiconductor, msm63182a Datasheet

msm63182a

Manufacturer Part Number

msm63182a

Description

4-bit Microcontroller With Built-in 512-dot Matrix Lcd Drivers, Operating At 0.9 V Min. Msm63182a4-bit Microcontroller With Built-in 512-dot Matrix Lcd Drivers, Operating At 0.9 V Min.

Manufacturer

Oki Semiconductor

Datasheet

1.MSM63182A.pdf (29 pages)

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GENERAL DESCRIPTION

The MSM63182A is a CMOS 4-bit microcontroller with built-in 512-dot matrix LCD drivers and operates at 0.9 V

(min.). The MSM63182A is suitable for applications such as games, toys, watches, etc. which are provided with

an LCD display.

The MSM63182A is an M6318x series mask ROM-version product of OLMS-63K family, which employs Oki’s

original CPU core nX-4/250.

The MSM63P180 is the one-time-programmable ROM version of MSM63188/A, having one-time PROM (OTP)

as internal program memory.

The MSM63P180 is used to evaluate the software development.

FEATURES

• Rich instruction set

• Rich selection of addressing modes

• Processing speed

• Clock generation circuit

• Program memory space

• Data memory space

• External data memory space

• Stack level

FEDL63182A-02

1 Semiconductor

MSM63182A

4-Bit Microcontroller with Built-in 512-Dot Matrix LCD Drivers, Operating at 0.9 V (Min.)

439 instructions

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.

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

Minimum instruction execution time

Low-speed clock

High-speed clock

4K words

Basic instruction length is 16 bits/word

384 nibbles

64 Kbytes (expandable by using an I/O port)

Call stack level

Transfer, rotate, increment/decrement, arithmetic operations, comparison, logic operations, mask operations,

bit operations, ROM table reference, external memory transfer, stack operations, flag operations, branch,

conditional branch, call/return, control.

: 61 s (@ 32.768 kHz system clock)

: Crystal oscillator (32.768 kHz)

: Select ceramic oscillator (2 MHz Max.) or RC oscillator

: 8 levels

: 16 levels

1 s (@ 2MHz system clock)

(1 MHz Max.) using software.

This version:

Previous version: Apr. 1999

Nov. 2001

1/29

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