HD44780 Hitachi Semiconductor (acquired by Renesas), HD44780 Datasheet - Page 30

• Manufacturer Part Number: HD44780
• Description: Dot Matrix Liquid Crystal Display Controller/driver
• Manufacturer: Hitachi Semiconductor (acquired by Renesas)

HD44780U
30
5
character font
8 dot
Set DDRAM
address
Read busy flag
and address
Cursor display example
Cursor
Code
Code
5
character font
Figure 12 Cursor and Blinking
10 dot
Figure 13 Instruction (2)
RS
RS
0
0
R/W
R/W
0
1
DB7
DB7
BF
1
DB6
DB6
A
A
DB5
DB5
Higher
order bit
Higher
order bit
A
A
DB4
DB4
A
A
Blink display example
Alternating display
DB3
DB3
A
A
DB2
DB2
order bit
order bit
A
A
Lower
Lower
DB1
DB1
A
A
DB0
DB0
A
A