Datasheet > RTS902

RTS902

更新时间： 2024-11-08 23:33:19

品牌	Logo	应用领域
其他 - ETC		/
页数	文件大小	规格书
5页	133K
描述
NATURAL SOUND EFFECT MELODY GENERATOR

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中文翻译

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数据手册

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RTS902 数据手册

RTS902

NATURAL SOUND EFFECT MELODY GENERATOR

Features

Operating Voltage range: 2.4V to 5.0V

Low power consumption

256-note ROM memory

RC oscillator with an external resistor

1 sequence trigger key and 3 direct access keys are provided to select which song is to

be played.

Built-in on-the-chip envelope modulator

Direct-drive speaker and programmable LED flash

Provided PEN pin for drive motor

Typical oscillator frequency: 128 KHz

Power-ON Reset; melody begins from the first note.

General Description

RTS902 is a CMOS LSI designed for toys, doorbells and music boxes. It plays pr-

programmed melody and is capable of generating songs in piano effect by using the built-in

digital envelope circuit. By pushing the sequence trigger key, all songs can be played

sequentially with an Auto-Stop function. In addition, all songs can be placed in one of the

three regions and selected by pushing their corresponding direct-access keys providing the

Auto-Stop function.

Pin Assignment

Block Diagram

OSCI

OSCO

Tone

Generator

Oscillator

Circuit

Modulator

OUT

PEN PLED

Ripple

Counter

TR3

TR2

TR1

OSCO

OSCI

VDD

OUT

₅⁴RTS902¹₁₂³

PEN

PTB

Tempo

Generator

ROM

GND

TR0

PLED

Address

Counter

Rhythm

Generator

TESTO

TR0

Control

Logic

TR3

TESTB

www.msquaretech.com

V2.0

May/12/2002

Page 5 of 1

The above information is the exclusive intellectual property of M-Square Technologies Corporation and shall not be disclosed, distributed without permission from M-Square.

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中文翻译

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