參數(shù)資料
型號(hào): MB89P945
廠商: Fujitsu Limited
英文描述: 8-Bit Proprietary Microcontroller(8位專用微控制器)
中文描述: 8位微控制器專利(8位專用微控制器)
文件頁(yè)數(shù): 9/41頁(yè)
文件大小: 669K
代理商: MB89P945
9
MB89940 Series
External EPROM pins (MB89PV940 only)
Pin no.
Pin name
I/O
Function
49
50
51
52
53
54
55
58
59
60
A15
A12
A7
A6
A5
A4
A3
A2
A1
A0
O
Address output pins
61
62
63
65
66
67
68
69
O1
O2
O3
O4
O5
O6
O7
O8
I
Data input pins
70
CE
O
ROM chip enable pin
Outputs “H” during standby.
71
A10
O
Address output pin
73
OE
O
ROM output enable pin
Outputs “L” at all times.
75
76
77
78
79
A11
A9
A8
A13
A14
O
Address output pin
80
V
CC
O
EPROM power supply pin
64
V
SS
O
Power supply (GND) pin
56
57
72
74
N.C.
Internally connected pins
Be sure to leave them open.
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