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參數(shù)資料
| 型號： | W91082N |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | Tone Generator With μC Serial Interface(具有微控制器接口的音頻發(fā)生器) |
| 中文描述： | 音調(diào)發(fā)生器串行接口（具有微控制器接口的音頻發(fā)生器） |
| 文件頁數(shù)： | 1/5頁 |
| 文件大?。?/td> | 44K |
| 代理商： | W91082N |
Preliminary W91082N
TONE GENERATOR WITH C SERIAL INTERFACE
Publication Release Date: February 1998
- 1 -
Revision A1
GENERAL DESCRIPTION
The W91082N is Si-gate CMOS IC that provides DTMF signals. It can be programmed by a
μ
C to
generate 16 dual tones and 8 single tones from the DTMF pin. The W91082N provides a serial mode
interface for various applications such as cordless, KTS, PBX and Caller ID system.
FEATURES
Operating voltage: 2.0V
5.5V
Generate 16 dual tones and 8 single tones
Serial mode interface with
μ
C
Uses 3.579545 MHz crystal or ceramic resonator
Packaged in 8-pin plastic DIP
PIN CONFIGURATION
CE
XT1
XT1
V
SS
DTMF
DATA
CLK
V
DD
1
2
3
4
8
7
6
5
PIN DESCRIPTION
SYMBOL
PIN NO.
I/O
FUNCTION
CE
1
I
Chip enable signal, low active.
XT1,
XT1
3, 2
I, O
A built-in inverter provides oscillation with an inexpensive
3.579545 MHz crystal or ceramic resonater. The crystal
frequency deviation is
±
0.02%.
Data input pin for serial receiving.
DATA
6
I
CLK
5
I
Clock input pin for serial receiving.
DTMF
7
O
DTMF signal output pin.
V
DD
, V
SS
8, 4
I
Power input pins.
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