MB89170 查看數據表（PDF） - Fujitsu
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MB89170 Datasheet PDF : 50 Pages
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MB89170/170A/170L Series
• External EPROM pins (the MB89PV170A only)
Pin no.
MQFP*
49
50
51
52
53
54
55
58
59
60
61
62
63
64
65
66
67
68
69
70
71
73
75
76
77
78
79
80
56
57
72
74
Pin name
VPP
A12
A7
A6
A5
A4
A3
A2
A1
A0
O1
O2
O3
VSS
O4
O5
O6
O7
O8
CE
A10
OE
A11
A9
A8
A13
A14
VCC
N.C.
I/O
Function
O
“H” level output pin
O
Address output pins
I
Data input pins
O
Power supply (GND) pin
I
Data input pins
O
ROM chip enable pin
Outputs “H” during standby.
O
Address output pin
O
ROM output enable pin
Outputs “L” at all times.
O
Address output pins
O
EPROM power supply pin
—
Internally connected pin
Be sure to leave them open.
* : MQP-48C-P01
10
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