LCY01023−5
【
Note 6-1
】
On-off conditions for supply voltege
0<t1
≦
10ms
0<t2
≦
10ms
0<t3
≦
1s
t4
≧
1s
Vcc-dip conditions
1)
2.8V
≦
Vcc
<
3.0V
td
≦
10ms
2) Vcc<2.8V
Vcc-dip conditions should also follow the
on-off conditions.
【
Note 6-2
】
Typical current situation:
Black (GS0) pattern
Timing: Typical
VCC= 3.3 V
【
Note 6-3
】
Maximum current situation: Vertical stripe
pattern alternating 21 gray scale (GS21) with Black (GS0)
every 1 dot.
Timing; Typical
VCC= +3.3 V
【
Note 6-4
】
CK,R0
〜
R5,G0
〜
G5,B0
〜
B5,Hsync,Vsync,ENAB,HVR
【
Note 6-5
】
CK,R0
〜
R5,G0
〜
G5,B0
〜
B5,Hsync,Vsync,ENAB
【
Note 6-6
】
HVR
6-2)Backlight driving section
The backlight system is an edge-lighting type with single CCFT (Cold Cathode Fluorescent Tube).
The characteristics of Lamp are shown in the following table.
Table 6-2
Parameter Symbol
MIN
TYP
MAX
Unit Remarks
lamp voltage
VL7
740 840
940
Vrms
IL=
5.5mArms
lamp current
IL
5.0
5.5
6.0
mArms ordinary state
ILB
−
−
9.0
mArms PWM dimming state
【
Note 6-7
】
lamp frequency
fL
30
−
60 kHz
kick-off voltage
VS
−
−
2350 Vrms
Ta=+25
℃
−
−
2400 Vrms
Ta=-30
℃
Inverter
:
HIU-359A-W2[Harison electric co.,ltd] (Output capasitor:18pF,frequency:49kHz)
Vcc
data
t3
t4
t2
t1
2.8V
0.3V
0.3V
2.8V
data
td
Vcc
3.0V
2.8V
Black(GS0)
GS21
GS42
sharp