Rainbow Electronics HD44780 User Manual
Page 4
HD44780U
4
HD44780U Pin Arrangement (FP-80B)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
80
79
78
77
76
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70
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68
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64
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41
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
FP-80B
(Top view)
SEG39
SEG40
COM16
COM15
COM14
COM13
COM12
COM11
COM10
COM9
COM8
COM7
COM6
COM5
COM4
COM3
COM2
COM1
DB7
DB6
DB5
DB4
DB3
DB2
SEG22
SEG21
SEG20
SEG19
SEG18
SEG17
SEG16
SEG15
SEG14
SEG13
SEG12
SEG11
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
GND
OSC1
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG32
SEG33
SEG34
SEG35
SEG36
SEG37
OSC2
V1
V2
V3
V4
V5
CL1
CL2
V
CC
M
D
RS
R/W
E
DB0
DB1
SEG38
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