BU9794KV Datasheet, PDF (5/23 Pages) Rohm – For 200 Segment type LCD LCD Segment Driver

Set Frame frequency
setup
80Hz
71Hz
64Hz
53Hz
P1 P0 Reset initialize condition
00
○
01
10
11
○ Software Reset(SWRST)
MSB
LSB
D7 D6 D5 D4 D3 D2 D1 D0
C1 1 0 1 0 1 1
This command will be set initialize 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) P1 P0 Reset initialize condition
OFF
00
○
0.5
01
1
10
2
11
○ All Pixel control (APCTL)
MSB
LSB
D7 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
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