KX-DT301X - Panasonic PBX Service Manual (repair manual). Page 25

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25
KX-DT301X / KX-DT301X-B
41
SCAN
I
Scan Data
-
42
RSTN
I
Reset
H:Reset L:Normal
43
SCANE
I
Scan Enable
-
44
VDD
-
Digital Power Supply
-
45
CK8_16
-
CPU Clock
-
46
VSS
-
Digital Ground
-
47
OSI
I
Oscillator In
-
48
OSO
O
Oscillator Out
-
49
VSS
-
Digital Ground
-
50
ADR5
I
Adress Bus Line 5
H:Active L: Inactive
51
ADR4
I
Adress Bus Line 4
H:Active L: Inactive
52
ADR3
I
Adress Bus Line 3
H:Active L: Inactive
53
ADR2
I
Adress Bus Line 2
H:Active L: Inactive
54
ADR1
I
Adress Bus Line 1
H:Active L: Inactive
55
ADR0
I
Adress Bus Line 0
H:Active L: Inactive
56
VDD
-
Digital Power Supply
-
57
DB7
I/O
Data Bus Line 7
H:Active L: Inactive
58
DB6
I/O
Data Bus Line 6
H:Active L: Inactive
59
DB5
I/O
Data Bus Line 5
H:Active L: Inactive
60
DB4
I/O
Data Bus Line 4
H:Active L: Inactive
61
DB3
I/O
Data Bus Line 3
H:Active L: Inactive
62
DB2
I/O
Data Bus Line 2
H:Active L: Inactive
63
DB1
I/O
Data Bus Line 1
H:Active L: Inactive
64
DB0
I/O
Data Bus Line 0
H:Active L: Inactive
Pin No.
Pin Name
I/O
Function
Operation
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