Service Manual

No.
1/0
N~me
Function
105
- VSS
Ground for 1/0 pin
106
0
FICLK
Clock (FBI)
107
0
FICSN
Chip select (FBI)
108
0
FIWEN
Write enable (FBI)
109
0
FIRASN
Row address asserted (FBI)
110 0
FICASN
Column address asserted (FBI)
Ill 0
FlLDQM
Lower byte input/output mask (FB 1)
112
-
vss Data bus (FB l)
113
0
FIUDQM
Lower byte input/output mask (FB
1)
114
FIAO
115 0
FlAl
Address bus (FBI)
116
FIA2
117
-
vee
Power supply
118 FIA3
119 0
FIA4 Address bus (FBI)
120
FlA5
121
0
FIA6
Address bus (FB 1)
122
-
VSS Ground for I/0 pin
123
0
FIA7
124
0
F1A8
Address bus (BF1)
125
0
FIA9
126
NC
Not connected.
-
127
128
-
HTIMN
Horizontal sync timing
129
-
VTIMN
Vertical sync timing
130
0
V2CLK Video clock (1!2 MCLK)
131
-
vss
Ground for 1/0 pin
132
0 VOUTO
133
0 VOUTI
Display start address/video data
134
0
VOUT2
135
0 VOUT3
136
-
vee
Power supply
137
0 VOUT4 Display start address/video output data
138
0 VOUT5
139
0
VOUT6 Video output data
140
0
VOUT7
141
-
vss
Ground for internal circuit
142
0
VRAMDO
143
0
VRAMDI
144
0 VRAMD2 VRAM data bus
145
0 VRAMD3
146
0
VRAMD4
147
-
VSS Ground for 1!0 pin
148
0 VRAMD5
149
0 VRAMD6
150
0
VRAMD7
VRAM data bus
151
0
VRAMD8
152
0
VRAMD9
153
0
VRAMDlO
154
-
VSS Ground for internal circuit
155
0
VRAMD11
156
0
VRAMD12
VRAM data bus
157
0
VRAMD13
158
0
VRAMD14
159
-
vee Power suppiy
160
0
VRAMDI5 VRAM data bus
161
0
VRAMAO
162 0 VRAMAI
163
0
VRAMA2
164
0
VRAMA3 VRAM address bus
165
0
VRAMA4
166
0
VRAMA5
167
0
VRAMA6
168
- NC
Not connected.
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