Panasonic KX-T7630 Service Manual page 24

Digital proprietary telephone
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Pin
No.
65
GND
66
VDD
67
PVRL
68
PDR
69
PVRH
70
PDX0
71
PDX1
72
SCANE
73
SCAN
74
TEST0
75
TEST1
76
CK16M
77
CK8M
78
GND
79
OSI
80
OSO
81
VDD
82
ADR6
83
ADR5
84
ADR4
85
ADR3
86
ADR2
87
ADR1
88
ADR0
89
VDD
90
GND
91
DB7
92
DB6
93
DB5
94
DB4
95
DB3
96
DB2
97
DB1
98
DB0
99
GND
100 RSTN
11.2. IC3 (CPU)
I/O Setting
Pull-up
Processing
-
-
-
-
in
-
in
-
in
-
out
-
out
-
in
Built-
in(down)
in
Built-
in(down)
in
-
in
-
tri
-
tri
-
-
-
in
-
out
-
-
-
in
Built-in
in
Built-in
in
Built-in
in
Built-in
in
Built-in
in
Built-in
in
Built-in
-
-
-
-
bi
Built-in
bi
Built-in
bi
Built-in
bi
Built-in
bi
Built-in
bi
Built-in
bi
Built-in
bi
Built-in
-
-
in
-
Contents of Control
Digital ground
Digital power supply
Reference voltage for
comparator
Receive data input
Reference voltage for
comparator
Send data output
Send data output
Scan test enable pin
Scan test enable pin
Test mode pin 0
Test mode pin 1
16Mhz clock (For Test)
8MHz clock (For CPU)
Digital ground
Crystal oscillator input
Crystal oscillator output
Digital power supply
Address 6
Address 5
Address 4
Address 3
Address 2
Address 1
Address 0
Digital power supply
Digital ground
Data 7
Data 6
Data 5
Data 4
Data 3
Data 2
Data 1
Data 0
Digital ground
Reset input (Schmidt)
24
Remark

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