Table of Contents
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Pin No
Pin Name
0.65
0.8
26
27
P46/INT0
5 to 1
6 to 1
SEG0 to
64 to 57
64 to
SEG19
55 to 49
58
56 to
50
9 to 6
7 to 10 COM0 TO
COM3
10
11
V3
56
57
Vcc
24
25
Vss
• External EPROM pins (for MB89PV950)
Pins No.
Pin Name
66
Vpp
67
A12
68
A7
69
A6
70
A5
71
A4
72
A3
73
A2
74
A1
75
A0
77
O1
78
O2
79
O3
80
Vss
82
04
83
O5
84
O6
85
O7
86
O8
87
CE
88
A10
89
OE
91
A11
92
A9
93
A8
94
A13
95
A14
96
Vcc
GENERAL
Table 1–2 Pin Description (Continued)
Circuit
E
General-purpose input port
Also serves as external-interrupt input (INT0).
The input is hysteresis type.
A pull-up resistor option is provided.
G
For LCDC controller segment ouput
G
For LCDC controller common output
-
For LCD driver power supply
-
Power Pin
-
Power (GND) Pin
Table 1–3 Pin Description for External ROM
I/O
O
For High-level output
O
For address output
I
For data input
O
For power supply (GND)
I
For data input
For ROM output enable
O
The High level is output in standby mode.
O
For address output
For ROM output enable.
O
The Low level is always output.
O
For address output
O
For address output
O
For EPROM power supply
1– 9
Function
Function
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