MB89490 データシートの表示（PDF） - Fujitsu
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MB89490 Datasheet PDF : 45 Pages
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MB89490 Series
• External EPROM Socket (MB89PV490 only)
Pin
number Pin
name
I/O
MQFP*1
Function
102
A15
131
A14
130
A13
103
A12
127
A11
124
A10
128
A9
129
A8
104
A7
105
A6
106
A5
107
A4
108
A3
109
A2
110
A1
111
A0
O
Address output pins.
122
O8
121
O7
120
O6
119
O5
118
O4
115
O3
114
O2
113
O1
I
Data input pins.
101
112
117
N.C.
126
—
Internally connected pins. Always leave open.
116
VSS
O
Power supply pin (GND).
123
CE
O
Chip enable pin for the EPROM. Outputs “H” in standby mode.
125
OE
O
Output enable pin for the EPROM. Always outputs “L”.
132
VCC
*1: MQP-100C-P01
O
Power supply pin for the EPROM.
9
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