参数资料
型号: MB89PV180CF-105
元件分类: 微控制器/微处理器
英文描述: 8-BIT, 4.2 MHz, MICROCONTROLLER, CQFP64
封装: CERAMIC, MQFP-64
文件页数: 3/50页
文件大小: 420K
代理商: MB89PV180CF-105
11
MB89180 Series
External EPROM pins (MB89PV180 only)
Pin no.
Pin name
I/O
Function
66
VPP
O
“H” level output pin
67
68
69
70
71
72
73
74
75
A12
A7
A6
A5
A4
A3
A2
A1
A0
O
Address output pins
77
78
79
O1
O2
O3
I
Data input pins
80
VSS
O
Power supply (GND) pin
82
83
84
85
86
O4
O5
O6
O7
O8
I
Data input pins
87
CE
O
ROM chip enable pin
Outputs “H” during standby.
88
A10
O
Address output pin
89
OE
O
ROM output enable pin
Outputs “L” at all times.
91
92
93
A11
A9
A8
O
Address output pins
94
A13
O
95
A14
O
96
VCC
O
EPROM power supply pin
65
76
81
90
N.C.
Internally connected pins
Be sure to leave them open.
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