KX-T7630RU - Panasonic Telephone Service Manual (repair manual). Page 38

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38
KX-T7630RU-B
44
P70
O
-
AD0/KEY-OUT6
 
45
P71
O
-
AD1/KEY-OUT7
 
46
P72
O
-
AD2
 
47
P73
O
-
AD3
 
48
P74
O
-
AD4
 
49
P75
O
-
AD5
 
50
P76
O
-
AD6
 
51
P77
O
-
SP_AMP OFF
H:OFF L:ON
52
P80
O
-
MIC switch
L: Hand set, H: Head set
53
P81
O
-
EEPROM CLK
Clock output
54
P82
I/O
(out)
EEPROM DATA
Serial data input/output
55
P83
O
-
CODEC CS
 
56
P84
I
O
(out)
Model distinction 1
After confirmation of H, the pin
switches to an output port.
57
P85
I
out(down)
Ringer position detection
H:ON L:OFF
58
P86
O
-
not in use
 
59
P87
O
-
not in use
 
60
O
TONED
-
not in use
 
61
VTref
I
-
not in use
 
62
PB7/AN7
I
(out)
Model distinction 2(A/D)
0.5*Vcc
63
PB6/AN6
I
(out)
Option detection
 
64
CVcc
I
-
Internal electrical power source
 
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