參數資料
型號: MB89951PFM
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 5 MHz, MICROCONTROLLER, PQFP64
封裝: 0.65 MM PITCH, QFP-64
文件頁數: 16/110頁
文件大小: 619K
代理商: MB89951PFM
GENERAL
1– 9
26
27
P46/INT0
E
General-purpose input port
Also serves as external-interrupt input (INT0).
The input is hysteresis type.
A pull-up resistor option is provided.
5 to 1
64 to 57
55 to 49
6 to 1
64 to
58
56 to
50
SEG0 to
SEG19
G
For LCDC controller segment ouput
9 to 6
7 to 10 COM0 TO
COM3
G
For LCDC controller common output
10
11
V3
-
For LCD driver power supply
56
57
Vcc
-
Power Pin
24
25
Vss
-
Power (GND) Pin
Table 1–3 Pin Description for External ROM
External EPROM pins (for MB89PV950)
Pins No.
Pin Name
I/O
Function
66
Vpp
O
For High-level output
67
A12
O
For address output
68
A7
69
A6
70
A5
71
A4
72
A3
73
A2
74
A1
75
A0
77
O1
I
For data input
78
O2
79
O3
80
Vss
O
For power supply (GND)
82
04
I
For data input
83
O5
84
O6
85
O7
86
O8
87
CE
O
For ROM output enable
The High level is output in standby mode.
88
A10
O
For address output
89
OE
O
For ROM output enable.
The Low level is always output.
91
A11
O
For address output
92
A9
93
A8
94
A13
O
For address output
95
A14
96
Vcc
O
For EPROM power supply
Table 1–2 Pin Description
(Continued)
Pin No
Pin Name
Circuit
Function
0.65
0.8
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