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Sharp FACSIMILE FO-4500 Service Manual page 97

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LZ9FJ37A (IC15) Terminal descriptions
PIN
I/O
Name
103
O
PHIB
104
O
PHIR
105
O
XPHIT
106
I
XA3FRS
107
I
XB4FRS
108
I
XFRSNS
109
I
XORGSNS
110
I
XDRSNS
111
O
XPHISH
112
O
XPHIBL
113
O
HTEN
114
O
XGTW
115
O
XPGST
116
O
ADCK
117
I
B7
118
I
B6
119
I
B5
120
I
B4
121
—
GND
122
I
B3
123
I
B2
124
I
B1
125
I
B0
126
O
RA12
127
O
RA11
128
O
RA10
129
O
RA9
130
O
RA8
131
O
XRWE
132
O
XROE
133
I/O
RAD15
134
I/O
RAD14
135
I/O
RAD13
136
I/O
RAD12
137
I/O
RAD11
138
I/O
RAD10
139
I/O
RAD9
140
I/O
RAD8
141
—
GND
142
—
VDD
143
I/O
RAD7
144
I/O
RAD6
145
I/O
RAD5
146
I/O
RAD4
147
I/O
RAD3
148
I/O
RAD2
149
I/O
RAD1
150
I/O
RAD0
151
O
RA0
152
O
RA1
153
O
RA2
Function
CCD clock B
CCD reset signal
CCD #T output
Input port
Input port
Input port
Input port
Input port
Video sample hold
Line clamp
Half tone select output
Peak hold gate
Peak hold circuit clear
ADC sampling clock output
Video data input
Video data input
Video data input
Video data input
Ground
Video data input
Video data input
Video data input
Video data input
Reading memory address output
Reading memory address output
Reading memory address output
Reading memory address output
Reading memory address output
Reading memory write output
Reading memory read output
Reading memory data input/output
Reading memory data input/output
Reading memory data input/output
Reading memory data input/output
Reading memory data input/output
Reading memory data input/output
Reading memory data input/output
Reading memory data input/output
Ground
Power supply
Reading memory data input/output
Reading memory data input/output
Reading memory data input/output
Reading memory data input/output
Reading memory data input/output
Reading memory data input/output
Reading memory data input/output
Reading memory data input/output
Reading memory address output
Reading memory address output
Reading memory address output
PIN
I/O
Name
154
O
RA3
155
O
RA4
156
O
RA5
157
O
RA6
158
O
RA7
159
O
XMDMRST
160
—
GND
5 – 7
FO-4500H
Function
Reading memory address output
Reading memory address output
Reading memory address output
Reading memory address output
Reading memory address output
Modem reset output
Ground

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