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參數(shù)資料
| 型號： | W91310N |
| 英文描述： | Telephone Dialer |
| 中文描述： | 電話撥號器 |
| 文件頁數(shù)： | 4/16頁 |
| 文件大?。?/td> | 218K |
| 代理商： | W91310N |
Preliminary W91310N SERIES
- 4 -
Pin Description, continued
SYMBOL
PIN
DIP
11, 12
(AN
Only)
PIN
SSOP
I/O
I, O
FUNCTION
HFI, HFO
-
Handfree control pins.
A low pulse on the HFI input pin toggles the handfree
control state. The status of the handfree control state is
listed in the following table:
HOOK SW.
-
On Hook
Off Hook
On Hook
Off Hook
Off Hook
CURRENT STATE
NEXT STATE
HFO
Low
High
High
-
Low
High
INPUT
HFI
HFI
HFI
Off Hook
On Hook
On Hook
HFO
High
Low
Low
Low
Low
High
DIALING
Yes
No
Yes
Yes
No
Yes
The HFI pin is pulled to V
DD
by an internal resistor.
A detailed timing diagram is shown in Figure 3.
BLOCK DIAGRAM
HKS
B/M
T/P MUTE
COLUMN
ROW
XT
XT
DP
(R1 to R4)
DTMF
SYSTEM CLOCK
READ/WRITE
RAM
LOCATION
ROW & COLUMN
DATA LATCH
KEYBOARD
(C1 to C4)
COD/A
PULSE
CLOGIC
MODE
HFI
HFO
相關PDF資料 |
PDF描述 |
|---|---|
| W91320A | Tone/Pulse Telephone Dialer |
| W91321 | Tone/Pulse Telephone Dialer |
| W91321A | Tone/Pulse Telephone Dialer |
| W91330 | Tone/Pulse Telephone Dialer |
| W91330A | Tone/Pulse Telephone Dialer |
相關代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W91312 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:TONE/PULSE DIALER WITH REDIAL FUNCTION |
| W91312A | 制造商:WINBOND 制造商全稱:Winbond 功能描述:TONE/PULSE DIALER WITH REDIAL FUNCTION |
| W91312N | 制造商:WINBOND 制造商全稱:Winbond 功能描述:TONE/PULSE DIALER WITH REDIAL FUNCTION |
| W91314 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:TONE/PULSE DIALER WITH REDIAL FUNCTION |
| W91314A | 制造商:WINBOND 制造商全稱:Winbond 功能描述:TONE/PULSE DIALER WITH REDIAL FUNCTION |
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