HD44780 Hitachi Semiconductor (acquired by Renesas), HD44780 Datasheet - Page 28

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

HD44780U
28
Clear
display
Entry
mode set
Return
home
Display
on/off control
Cursor or
display shift
Function set
Set CGRAM
address
Code
Code
Code
Code
Code
Code
Code
RS
RS
RS
RS
RS
RS
RS
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
0
0
0
0
0
0
0
Figure 11 Instruction (1)
DB7
DB7
DB7
DB7
DB7
DB7
DB7
0
0
0
0
0
0
0
DB6
DB6
DB6
DB6
DB6
DB6
DB6
0
0
0
0
0
0
1
DB5
DB5
DB5
DB5
DB5
DB5
DB5
0
0
0
0
A
0
1
DB4
DB4
DB4
DB4
DB4
DB4
DB4
Higher
order bit
DL
0
0
0
0
A
1
DB3
DB3
DB3
DB3
DB3
DB3
DB3
S/C
0
0
0
1
N
A
DB2
DB2
DB2
DB2
DB2
DB2
DB2
R/L
order bit
D
0
0
1
F
A
Lower
DB1
DB1
DB1
DB1
DB1 DB0
DB1 DB0
DB1 DB0
I/D
C
0
1
A
*
*
DB0
DB0
DB0
DB0
S
B
1
*
A
*
*
Note:
Note:
*
*
Don’t care.
Don’t care.