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參數(shù)資料
| 型號(hào)： | W91562DNH |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類(lèi)： | 無(wú)繩電話/電話 |
| 英文描述： | 3-Memory Tone/Pulse Dialer With LCD Display And RTC Functions(具有3個(gè)數(shù)碼存儲(chǔ)器、實(shí)時(shí)時(shí)鐘和液晶顯示功能的音頻/脈沖撥號(hào)器) |
| 中文描述： | TELEPHONE DIALER CKT, UUC65 |
| 封裝： | 2.94 X 3.63 MM, DIE-65 |
| 文件頁(yè)數(shù)： | 3/33頁(yè) |
| 文件大小： | 487K |
| 代理商： | W91562DNH |
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Preliminary W91560DN SERIES
Publication Release Date: May 1997
- 3 -
Revision A2
PIN DESCRIPTION
SYM.
Row,
Column
Inputs
PIN NO.
18
21,
13
17
I/O
I
FUNCTION
The keyboard inputs may be used with either the standard 5
×
6
keyboard, an inexpensive single contact (form A) keyboard or
electronic input.
A valid key entry is defined by a single row being connected to a
single column.
A built-in inverter provides oscillation with an inexpensive
3.579545 MHz crystal or ceramic resonater.
The oscillator ceases when a keypad input is not sensed after the
chip is enabled and dialing is finished. The crystal frequency
deviation is
±
0.02%.
XT1,
XT1
22, 23
I, O
T/P
MUTE
8
O
The T/P
MUTE
is a conventional CMOS N-channel open drain
output.
The output transistor is switched on low level during the dialing
sequence (both pulse and tone mode), one-key redial break and
flash break. Otherwise, it is switched off.
The H/P MUTE is a conventional CMOS inverter output, During
pulse dialing, one-key redial break, flash break and hold functions,
this pin will output an active high.
It remains in a low state at all other times.
H/P
MUTE
9
(W91560DNF,
W91562DNF,
W91564DNF,
W91565DNF
only)
9
O
LOCK
(W91561DLNF,
W91563DLNF
only)
I
The LOCK pin is used to prevent "0" or "9" dialing under PABX
system long distance call control. When the first key input after
reset is "0" or "9", all the key inputs, including the "0" or "9" key,
become invalid, and the chip generates no output.
The telephone is reinitialized by a reset.
The following table describes the functions of the LOCK pin:
LOCK PIN
Floating
V
DD
SS
V
FUNCTION
Normal dialing
"0", "9" dialing inhibited
"0" dialing inhibited
HKS
24
I
Hook switch input.
HKS
= V
DD
or floating: On-hook state. Chip in sleeping mode,
no operation.
HKS
= V
SS
: Off-hook state. Chip enable for normal operation.
HKS
pin is pulled to V
DD
by internal resistor.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| W91564DNF | 3-MEMORY TONE/PULSE DIALER WITH RTC AND LCD DISPALY FUNCTIONS |
| W91560DNF | 3-Memory Tone/Pulse Dialer With LCD Display And RTC Functions(具有3個(gè)數(shù)碼存儲(chǔ)器、實(shí)時(shí)時(shí)鐘和液晶顯示功能的音頻/脈沖撥號(hào)器) |
| W91560DNH | 3-Memory Tone/Pulse Dialer With LCD Display And RTC Functions(具有3個(gè)數(shù)碼存儲(chǔ)器、實(shí)時(shí)時(shí)鐘和液晶顯示功能的音頻/脈沖撥號(hào)器) |
| W91565DNF | 3-MEMORY TONE/PULSE DIALER WITH RTC AND LCD DISPALY FUNCTIONS |
| W91562DNF | 3-Memory Tone/Pulse Dialer With LCD Display And RTC Functions(具有3個(gè)數(shù)碼存儲(chǔ)器、實(shí)時(shí)時(shí)鐘和液晶顯示功能的音頻/脈沖撥號(hào)器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W91563DLNF | 制造商:WINBOND 制造商全稱:Winbond 功能描述:3-MEMORY TONE/PULSE DIALER WITH RTC AND LCD DISPALY FUNCTIONS |
| W91564DNF | 制造商:WINBOND 制造商全稱:Winbond 功能描述:3-MEMORY TONE/PULSE DIALER WITH RTC AND LCD DISPALY FUNCTIONS |
| W91565DNF | 制造商:WINBOND 制造商全稱:Winbond 功能描述:3-MEMORY TONE/PULSE DIALER WITH RTC AND LCD DISPALY FUNCTIONS |
| W91570DN | 制造商:WINBOND 制造商全稱:Winbond 功能描述:23-MEMORY TONE/PULSE DIALER WITH AUTOREDIAL REC AND LCD DISPLAY FUNCTIONS |
| W91572DNF | 制造商:WINBOND 制造商全稱:Winbond 功能描述:23-MEMORY TONE/PULSE DIALER WITH AUTOREDIAL REC AND LCD DISPLAY FUNCTIONS |
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