LH155BA
30
(2) At The Time of n-line Alternating ON
1st Line
LP
M
2nd Line
n-line Alternate
3rd Line
n-th Line
1st Line
2nd Line
(At the time of reset : (SHIFT, SEGON, ALLON, ON/OFF) = 0
H
, read address : 8
H
)
* mark means "Don't care".
(At the time of reset : (ER, IR) = 0
H
, read address : 8
H
)
Various controls of display are set up.
(1) ON/OFF Command (For the graphic display only)
To control ON/OFF of the graphic display.
ON/OFF = "0" : Display OFF
ON/OFF = "1" : Display ON
(2) ALLON Command (For the graphic display only)
Regardless of the data of the graphic display
RAM, all the graphic displays are ON.
This command has priority over display
normal/reverse commands.
ALLON = "0" : Normal display
ALLON = "1" : All displays lighted.
(3) SEGON Command (For the segment display only)
To control ON/OFF of the segment display.
SEGON = "0" : Display OFF
The pins are specified V
SS
level.
SEGON = "1" : Display ON
(4) SHIFT Command (For the graphic display only)
The shift direction of the graphic display
scanning data in the common drive output is
selected.
SHIFT = "0" : COM
0
/
COM
63
shift-scan
SHIFT = "1" : COM
63
/
COM
0
shift-scan
(1) IR Command (For the segment display only)
IR command is not available now. When using
the segment display, set to "0".
(2) ER Command (For the segment display only)
ER command is not available now. When using
the segment display, set to "1".
4.9. Display Control (1) Register Set
D
6
D
7
1
0
D
0
D
1
D
2
D
3
D
4
0
D
5
0
SHIFT
SEGON
ALLON
ON/OFF
D
0
IR
D
1
ER
D
2
*
D
3
*
D
4
0
D
5
0
D
6
0
D
7
1
CSB
0
RE
0
RDB
1
WRB
0
RS
1
CSB
0
RE
1
RDB
1
WRB
0
RS
1