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參數資料
| 型號： | RTS902 |
| 英文描述： | NATURAL SOUND EFFECT MELODY GENERATOR |
| 中文描述： | 自然的聲音效果的旋律發(fā)生器 |
| 文件頁數： | 1/5頁 |
| 文件大小： | 130K |
| 代理商： | RTS902 |
V2.0
May/12/2002
Page 5 of 1
RTS902
The above information is the exclusive intellectual property of M-Square Technologies Corporation and shall not be disclosed, distributed without permission from M-Square.
www.msquaretech.com
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, al 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
Ripple
Counter
Tone
Generator
OSCO
Oscillator
Circuit
OSCI
Block Diagram
Tempo
Generator
TESTO
OUT
Modulator
ROM
Rhythm
Generator
Address
Counter
Control
Logic
TR0
TR3
TESTB
.
.
.
PEN PLED
TR3
TR2
PTB
TR1
RTS902
1
2
3
4
5
6
7
TR0
12
11
10
9
8
13
14
NC
OUT
GND
VDD
OSCI
OSCO
NC
15
16
PEN
NC
PLED
NC
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| RTS903 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DUAL-TONE MELODY GENERATOR |
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| RTS992 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| RTS993 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| RTS-C | 功能描述:工業(yè)溫度傳感器 Room Temperature Switch, SPST, N.C. RoHS:否 制造商:Texas Instruments 準確性:1 C 功能:Temperature Sensing 25 攝氏度時的電阻: 溫度范圍:- 55 C to + 127 C 電源電流: 電源電壓:2.7 V to 5.5 V |
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