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BD6083GUL
● Operation Settings (Flow Example)
1. Backlight: Auto Luminous Mode
Apply supply voltage.
Cancel reset.
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.
Datasheet
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.
Figure 22.
A LC E N
A D C YC
A D C C ycle
S B IA S
O utput
A D C M ovem ent
T w ait= 64m s(typ)
T A D = 16.4m s(typ)
W hen S B IA S O N =1
G C 1, G C 2
A M B (3:0)
G C 1, G C 2=00
A M B (3:0)
T A M B = 80.4m s(typ)
VOUT
LE D current
①
T S O FT
Figure 23
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.
Figure 24.
www.rohm.com
? 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111 ? 15 ? 001
36/42
TSZ02201-0G3G0C200100-1-2
05.Oct.2012 Rev.001
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