BU9794AKV Datasheet, PDF (11/26 Pages) Rohm – Standard LCD Segment Driver

BU9794AKV MAX 200 Segments (SEG50×COM4)
○Software Reset (SWRST)
MSB
LSB
D7 D6 D5 D4 D3 D2 D1 D0
C
1
1
0
1
0
1
1
This command will set initial condition
○Blink Control (BLKCTL)
MSB
LSB
D7 D6 D5 D4 D3 D2 D1 D0
C
1
1
1
0
*
P1 P0
(Don‟t care)
Set blink mode
Blink mode (Hz)
OFF
0.5
1
2
P1 P0 Reset initialize condition
0
0
○
0
1
1
0
1
1
○All Pixel Control (APCTL)
MSB
LSB
7 D6 D5 D4 D3 D2 D1 D0
C
1
1
1
1
1
P1 P0
All display set ON, OFF
APON
P1
Normal
0
All pixel ON
1
Reset initialize condition
○
APOFF
Normal
All pixel OFF
P0 Reset initialize condition
0
○
1
All pixels ON: All pixels are ON regardless of DDRAM data
All pixels OFF: All pixels are OFF regardless of DDRAM data
(Note) This command is valid in Display on status. The data of DDRAM don‟t change by this command.
If set both P1 and P0 =“1”, APOFF will be select.
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10.Apr.2015 Rev.004