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HT95168 датащи(PDF) 4 Page - Holtek Semiconductor Inc

номер детали HT95168
подробное описание детали  Caller ID Telephone IC
PDF  13 Pages
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производитель  HOLTEK [Holtek Semiconductor Inc]
домашняя страница  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT95168 датащи(HTML) 4 Page - Holtek Semiconductor Inc

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Pad Description
Pad No.
Pad Name
I/O
Configuration
Option
Description
1
GND
¾¾
Power ground
2, 3
ROW1, ROW0
I
Pull-high
Resistor Input
Key matrix row lines
4
ROUTP
I/O
Positive
Ring sound output, volume control
5
ROUTN
I/O
Negative
Ring sound output, volume control
6
RDETE
I
¾
On-hook ring detector, off-hook lock
¢0¢ detection
7~14
COM0~COM7
O
¾
LCD common pins
15~30
SEG0~SEG15
O
¾
LCD segment pins
31
HKS
I
Low Active
Hook detection
32
XDP
O
High Active
Off-hook control
33
CIDEN
O
¾
Initial state is low
34
MUTE
O
Low Active
Mute function
35
NC
¾¾
No connection
36
HFI
I
Rising Edge Trigger Hand-free trigger input
37
DTMF
O
¾
DTMF generator output
38
RES
I
Low Active
Reset pin
39
VDD
¾¾
Power VDD
40
XT
¾¾
Loop filter pin
41
OSC2
O
¾
32768kHz crystal output
42
OSC1
I
¾
32768kHz crystal input
43
PDETE
I
¾
Unauthorized-dialing detection
44
HFC
O
Rising Edge Trigger Hand-free control pin
45
CIDIN
I
¾
Caller ID signal input
46~50
COL4~COL0
O
¾
Key matrix column lines
51, 52
ROW3, ROW2
I
Pull-high
Resistor Input
Key matrix row lines
Key Matrix Description
COL4 (46)
COL3 (47)
COL2 (48)
COL1 (49)
COL0 (50)
ROW3 (51)
1
2
3
Up
Pause
ROW2 (52)
4
5
6
Down
Set
ROW1 (2)
7
8
9
Delete
R Key
ROW0 (3)
*
0
#
Check
Add
¢0¢ Call back
GND
Call back/Redial
Flash/ADJ
Volume
IP
Hand-free
HT95168
Rev. 1.10
4
March 22, 2004



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