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參數資料
| 型號： | W91410 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | TONE/PULSE DIALER WITH SAVE FUNCTION |
| 中文描述： | 音頻/脈沖撥號與保存功能 |
| 文件頁數： | 2/12頁 |
| 文件大小： | 210K |
| 代理商： | W91410 |
W91410 SERIES
- 2 -
PIN CONFIGURATION
1
16
R3
C2
C3
C4
2
3
4
5
6
11
12
13
14
15
R1
R2
DTMF
DD
V
7
8
9
10
17
18
XT
C1
R4
V
SS
XT
T/P MUTE
MODE
DP
B/M
HKS
PIN DESCRIPTION
SYMBOL
Column-
Row Inputs
PIN
1
4
&
15
18
I/O
I
FUNCTION
The keyboard input may be from either the standard 4
×
4 keyboard
or an inexpensive single contact (form A) keyboard. Electronic
input from a
μ
C can also be used. A valid key entry is defined as a
single row being connected to a single column.
A built-in inverter provides oscillation with an inexpensive
3.579545 MHz crystal or ceramic resonator.
XT, XT
7, 8
I, O
T/P MUTE
9
O
The T/P MUTE is a conventional CMOS N-channel open drain
output. The output transistor is switched on during pulse and tone
mode dialing sequence and flash break. Otherwise, it is switched
off.
Pulling mode pin to V
SS
places the dialer in tone mode. Pulling
mode pin to V
DD
places the dialer in pulse mode (10 ppS).
Leaving mode pin floating places the dialer in pulse mode (20 ppS).
Hook switch input.
HKS = 1: On-hook state. Chip in sleeping mode, no operation.
HKS = 0: Off-hook state. Chip enabled for normal operation.
The HKS pin is pulled to V
DD
by an internal resistor.
MODE
13
I
HKS
10
I
相關PDF資料 |
PDF描述 |
|---|---|
| W91412 | TONE/PULSE DIALER WITH SAVE FUNCTION |
| W91412A | TONE/PULSE DIALER WITH SAVE FUNCTION |
| W91414 | TONE/PULSE DIALER WITH SAVE FUNCTION |
| W91414A | TONE/PULSE DIALER WITH SAVE FUNCTION |
| W91416 | TONE/PULSE DIALER WITH SAVE FUNCTION |
相關代理商/技術參數 |
參數描述 |
|---|---|
| W91410SERIES | 制造商:WINBOND 制造商全稱:Winbond 功能描述:Tone/Pulse Dialer with Save Function |
| W91412 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:TONE/PULSE DIALER WITH SAVE FUNCTION |
| W91412A | 制造商:WINBOND 制造商全稱:Winbond 功能描述:TONE/PULSE DIALER WITH SAVE FUNCTION |
| W91414 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:TONE/PULSE DIALER WITH SAVE FUNCTION |
| W91414A | 制造商:WINBOND 制造商全稱:Winbond 功能描述:TONE/PULSE DIALER WITH SAVE FUNCTION |
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