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HD44780 Datasheet(PDF) 30 Page - Hitachi Semiconductor

Part No. HD44780
Description  Dot Matrix Liquid Crystal Display Controller/Driver
Download  59 Pages
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Maker  HITACHI [Hitachi Semiconductor]
Homepage  http://www.renesas.com/eng
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 30 page
background image
HD44780U
30
Cursor
5
8 dot
character font
5
10 dot
character font
××
Alternating display
Blink display example
Cursor display example
Figure 12 Cursor and Blinking
RS
0
R/W
0
DB7
1
DB6
A
DB5
A
DB4
A
DB3
A
Code
DB2
A
DB1
A
DB0
A
Higher
order bit
Lower
order bit
RS
0
R/W
1
DB7
BF
DB6
A
DB5
A
DB4
A
DB3
A
Code
DB2
A
DB1
A
DB0
A
Higher
order bit
Lower
order bit
Set DDRAM
address
Read busy flag
and address
Figure 13 Instruction (2)




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