Kenwood DPXMP-7050 Service Manual page 9

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MICROCOMPUTER'S TERMINAL DESCRIPTION
3 7 63 1515 0
Pin No.
Pin Name
43
PN_REQ
44
GS03
45
NC
46
FL_CLK
47
NC
48
SEL_E2P
49-56
NC
57
Vss
58
W5/W6_SEL
59
Vcc
60-73
NC
74
Vcc
75
NC
76
Vss
77-90
NC
91
Vcc
92
NC
93
Vss
94-123 NC
TE
L 13942296513
124
RE_IN
125
RE_BASE
126
KS0
127
KS1
128
KS2
129
KS3
130
Vss
131
KS4
132
Vcc
133
NC
134
DC/DC SW
135
PN PON
136
KR0
137
KR1
138
KR2
139
KR3
140
Avss
141
KR4
142
Vref
www
143
Avcc
144
NC
.
I/O
Application
O
Panel communication request output
O
FL dot section data output terminal 3
I
Not used.
I
FL dot section clock input terminal
O
Not used.
I
E2PROM write request
O
Not used.
GND electrical potential
I
DPX-MP7050/DPX-630M selection
5V electrical potential
O
Not used.
5V electrical potential
O
Not used.
GND electrical potential
O
Not used.
5V electrical potential
O
Not used.
GND electrical potential
O
Not used.
I
B input
I
A input
O
Key scan output 0
O
Key scan output 1
O
Key scan output 2
O
Key scan output 3
GND electrical potential
O
Key scan output 4
5V electrical potential
O
Not used.
O
DC/DC FL terminal switching terminal
O
Power supply control terminal
I
Key return signal input 0
I
Key return signal input 1
I
Key return signal input 2
I
Key return signal input 3
GND electrical potential
I
Key return signal input 4
I
Connect to GND electrical potential
5V electrical potential
x
ao
u163
y
I
Connect to GND electrical potential
i
2 9
8
Processing Operation Description
H : Write
H : DPX-630M, L : DPX-MP7050
Q Q
3
6 7
1 3
1 5
Dependent on PN PON
co
.
DPX-MP7050
9 4
2 8
0 5
8
2 9
9 4
2 8
m
9 9
9 9
9

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