Kenwood DPX-8030MD, Руководство по обслуживанию

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DPX-8030MD
MICROCOMPUTER'S TERMINAL DESCRIPTION
106
107
108
109
110
111
112
113
114-118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
D11
D10
D9
D8
D7
D6
D5
D4
NC
D3
D2
D1
D0
NC
RE IN
RE BASE
KS0
KS1
KS2
KS3
Vss
KS4
Vcc
NC
DC/DC SW
PN PON
KR0
KR1
KR2
KR3
Avss
KR4
Vref
Avcc
NC
I
I
I
I
I
I
I
I
O
I
I
I
I
O
I
I
O
O
O
O
I
O
I
O
O
O
I
I
I
I
I
I
I
I
I
PIN No. I/O Pin Name Description Processing Operation
External bus DATA 11
External bus DATA 10
External bus DATA 9
External bus DATA 8
External bus DATA 7
External bus DATA 6
External bus DATA 5
External bus DATA 4
Not used
External bus DATA 3
External bus DATA 2
External bus DATA 1
External bus DATA 0
Not used
B input
A input
Key-scan output 0
Key-scan output 1
Key-scan output 2
Key-scan output 3
GND potential
Key-scan output 4
Positive power supply terminal
Not used
DC/DC FL terminal selector terminal
Power control terminal
Key-return signal input 0
Key-return signal input 1
Key-return signal input 2
Key-return signal input 3
GND potential for AD converter
Key-return signal input 4
AD converter reference voltage
AD converter positive power supply
Not used
L: Fixed
L: Fixed
L: Fixed
Dependent on PN PON
Connect to GND potential
Connect to GND potential
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