ST7066U
l
4-bit Interface (fosc=270KHz)
POWER ON
Wait time >40mS
After Vcc >4.5V
Function set
RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
BF cannot be
checked before
0
0
0
0
1
1
X
X
X
X
Wait time >37uS
Function set
RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
BF cannot be
checked before
this instruction.
0
0
0
0
0
N
0
F
1
X
0
X
X
X
X
X
X
X
X
X
Wait time >37uS
Function set
RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
BF cannot be
checked before
this instruction.
0
0
0
0
0
N
0
F
1
X
0
X
X
X
X
X
X
X
X
X
Wait time >37uS
Display ON/OFF control
RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
0
0
0
0
0
1
0
D
0
C
0
B
X
X
X
X
X
X
X
X
Wait time >37uS
Display clear
RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
0
0
0
0
0
0
0
0
0
0
0
1
X
X
X
X
X
X
X
X
Wait time >1.52mS
Entry mode set
RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
0
0
0
0
0
0
0
1
0
I/D
0
S
X
X
X
X
X
X
X
X
Initialization end
V2.2
25/42
2006/05/11
SITRONIX [ SITRONIX TECHNOLOGY CO., LTD. ]
