
1
4
P
P
L
P
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Table 16
Initialization by instruction, 8-bit interface (note 1)
Note
1.
X = don’t care.
STEP
DESCRIPTION
power-on or unknown state
|
wait 2 ms after V
DD
rises above V
POR
|
RS
0
R/W
0
DB7
0
DB6
0
DB5
1
DB4
1
DB3
X
DB2
X
DB1
X
DB0
X
BF cannot be checked before this instruction
function set (interface is 8 bits long)
|
wait 2 ms
|
RS
0
R/W
0
DB7
0
DB6
0
DB5
1
DB4
1
DB3
X
DB2
X
DB1
X
DB0
X
BF cannot be checked before this instruction
function set (interface is 8 bits long)
|
wait more than 40
μ
s
|
RS
0
R/W
0
DB7
0
DB6
0
DB5
1
DB4
1
DB3
X
DB2
X
DB1
X
DB0
X
BF cannot be checked before this instruction
function set (interface is 8 bits long)
BF can be checked after the following instructions; when BF is not checked,
the waiting time between instructions is the specified instruction time
(see Table 4)
function set (interface is 8 bits long); specify the number of display lines
|
|
RS
0
0
0
0
R/W
0
0
0
0
DB7
0
0
0
0
DB6
0
0
0
0
DB5
1
0
0
0
DB4
1
0
0
0
DB3
0
1
0
0
DB2
M
0
0
1
DB1
0
0
0
I/D
DB0
H
0
1
S
display off
clear display
entry mode set
|
Initialization ends