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參數(shù)資料
| 型號(hào)： | W91351 |
| 英文描述： | Tone/Pulse Telephone Dialer |
| 中文描述： | 音頻/脈沖電話撥號(hào)器 |
| 文件頁(yè)數(shù)： | 3/16頁(yè) |
| 文件大小： | 199K |
| 代理商： | W91351 |
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W91350N SERIES
Publication Release Date: May 1997
- 3 -
Revision A2
Pin Description, continued
SYMBOL
18-PIN
20-PIN
I/O
FUNCTION
DP
/
C5
11
13
O
N-channel open drain dialing pulse output.
Flash key will cause
DP
/
C5
to be active in either tone
mode or pulse mode.
The timing diagram for pulse mode is shown in Figure 1(a, b, c).
V
DD
, V
SS
14, 6
16, 6
I
Power input pins.
DTMF
12
14
O
In pulse mode, this pin remains in low state at all times.
In tone mode, it will output a dual or single tone. Detailed
timing diagram for tone mode is shown in Figure 2(a, b, c).
Specified
Actual
Error %
Output Frequency
R1
R2
R3
R4
C1
C2
C3
697
770
852
941
1209
1336
1477
699
766
848
948
1216
1332
1472
+0.28
-0.52
-0.47
+0.74
+0.57
-0.30
-0.34
HFI, HFO
-
10, 11
I, O
Handfree control pins. The handfree control state is toggled
on by a low pulse on the HFI input pin. The status of the
handfree control state is described in the following table:
CURRENT STATE
Input
HFO
High
Dialing
Yes
On Hook
High
Low
No
Off Hook
High
Low
Yes
On Hook
Off Hook
Low
Yes
Off Hook
Low
On Hook
Low
No
Off Hook
High
On Hook
High
Yes
Low
Hook SW.
HFO
NEXT STATE
HFI
HFI
HFI
HFI pin is pulled to V
DD
by an internal resistor.
Detailed timing diagram is shown in Figure 3.
H/P MUTE
5
5
O
The H/P MUTE is a conventional inverter output. During
pulse dialing, flash break or hold period, this output is active
high; otherwise, it remains in low state.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| W91352 | Tone/Pulse Telephone Dialer |
| W91352A | Tone/Pulse Telephone Dialer |
| W91350N | 15-Memory Tone/Pulse Dialer With Handfree Lock And Hold Functions(具有15個(gè)數(shù)碼存儲(chǔ)器、免提鎖住和保持功能的音頻/脈沖撥號(hào)器) |
| W91352AN | 15-Memory Tone/Pulse Dialer With Handfree Lock And Hold Functions(具有15個(gè)數(shù)碼存儲(chǔ)器、免提鎖住和保持功能的音頻/脈沖撥號(hào)器) |
| W91352N | 15-Memory Tone/Pulse Dialer With Handfree Lock And Hold Functions(具有15個(gè)數(shù)碼存儲(chǔ)器、免提鎖住和保持功能的音頻/脈沖撥號(hào)器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W91352 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Tone/Pulse Telephone Dialer |
| W91352A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Tone/Pulse Telephone Dialer |
| W91352AN | 制造商:WINBOND 制造商全稱:Winbond 功能描述:13-MEMORY TONE/PULSE DIALER WITH HANDFREE AND HOLD FUNCTION |
| W91352N | 制造商:WINBOND 制造商全稱:Winbond 功能描述:13-MEMORY TONE/PULSE DIALER WITH HANDFREE AND HOLD FUNCTION |
| W91354AN | 制造商:WINBOND 制造商全稱:Winbond 功能描述:13-MEMORY TONE/PULSE DIALER WITH HANDFREE AND HOLD FUNCTION |
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