Terminal Guide Of Ics, Transistors And Diodes - Panasonic KX-T7665AL Service Manual

Digital proprietary telephone
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KX-T7665AL / KX-T7665X
Pin
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64

12 TERMINAL GUIDE OF ICs, TRANSISTORS AND DIODES

No.
I/O Setting
P67
I/O
P70
O
P71
O
P72
O
P73
O
P74
O
P75
O
P76
O
P77
I/O
P80
O
P81
O
P82
O
P83
O
P84
O
P85
O
P86
O
P87
O
TONED
O
VTref
I
PB7/AN7
I
PB6/AN6
I
CVcc
I
Pull-up
Contents of Control
Processing
Built-in
DB7
-
ADR0
-
ADR1
-
ADR2
-
ADR3
-
ADR4
-
ADR5
-
EEPROM CLK
-
EEPROM DATA
-
LCD_D7
-
LCD_D6
-
LCD_D5
-
LCD_D4
-
LCD_E
-
LCD_W
-
LCD_RS
-
LCD contrast 1
-
DTMF/Tone
-
Tone reference
-
for Test MODE
-
not in use
-
internal power source
26
Remark
register select
Cont.H:L Cont.M/L:High"Z"
Tone out
connect D3V for Sp phone
test

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