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BD6088GUL
● Operation Settings (Flow Example)
1. Backlight: Auto luminous Mode
Apply supply voltage.
Cancel reset.
Technical Note
Luminous control: Various
settings
Backlight: Various settings
ALCEN=1
The backlight settings can be made at any timing
so long as it precedes MLEDEN=1.
MLEDMD=1 is mandatory.
ALC block operation takes place for
Illumination Intensity measurement.
Wait for 80.4 ms or more
Time required for initial Illumination
Intensity acquisition.
MLEDEN=1
The backlight turns on.
MLEDEN=0 must be set first when the backlight is off.
ALC EN
AD C Y C (1:0)
A D C C ycle
SB IA S
O utput
AD C M ovem ent
T wait= 64m s(typ)
T AD = 16.4m s(typ)
W hen SB IA SO N =1
G C 1, G C 2
AM B (3:0)
G C 1, G C 2=00
A M B (3:0)
T A M B= 80.4m s(typ)
VO UT
LED current
①
T SO FT
When It cannot wait for the first illumination measurement, backlight lighting is possible with ALCEN.
But the extremely short case of slope rise time, a shoulder may be done like ① for an LED electric current.
(To the first illumination measurement for AMB(3:0)=00h)
2. Backlight: Fade-in/Fade-out
Apply supply voltage.
Cancel reset.
Backlight: Various settings
MLEDEN=1
Set the minimum current.
MLEDEN=0
Backlight setting.
Slow time setting.
The backlight turns on.
(Rise at designated slope time)
(Rise at designated slope time)
The backlight turns off.
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? 2011 ROHM Co., Ltd. All rights reserved.
46/51
2011.04 - Rev.A
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