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LQ104V1DG81 Datasheet, PDF (8/20 Pages) Sharp Electrionic Components – TFT-LCD Module
6.Electrical Characteristics
LD-23812B- 5
6-1.TFT-LCD panel driving
Ta=+25℃
Parameter
Symbol Condition
Min.
Typ.
Max.
Unit
Remark
Supply voltage
VCC
3.0
3.3
Current dissipation ICC VCC=3.3V
-
230
Permissive input ripple voltage VRP
-
-
Input voltage
VIH
VIL
2.1
-
-
-
Input leak current
IOH
IOL
-
-
-400
-
3.6
V
【Note1】
300
mA
【Note2】
100
mVP-P
VCC=3.3V
-
V
【Note3】
0.8
V
400
µA VI1 =+3.3V【Note3】
-
µA VI1 =0V 【Note3】
【Note1】 On-off conditions for supply voltage
0.9 VCC
0.1 VCC
VCC
t1
Data
t2
0.9 VCC
0.1 VCC
t3
1t15 t4
ON
t5
Back light OFF
t6
OFF
Vcc-dip conditions
VCC
Vmin
Vth
Vth = 2.5V
Vmin = 3V
td
20µs < t1 ≦ 10ms
0s < t2 ≦ 20ms
0s < t3 ≦ 1s
1s ≦ t4
300ms ≦ t5
300ms ≦ t6
t15 ≦ 100ms 1
・ Vth < VCC ≦ Vmin
td ≦ 10ms
・ VCC < Vth
Vcc-dip conditions should also follow the On-off
conditions for supply voltage
・ The relation between the data input and the backlight lighting will recommend the above-mentioned input sequence.
When the backlight is turned on before the panel operates, there is a possibility of abnormally displaying.
The liquid crystal module is not damaged.
【Note2】 Current dissipation
Typical current situation : 64-gray-bar pattern
VCC=+3.3V、fck = 25.175MHz、Ta=25℃
Refer to Chapter 8 for RGB each step.
RGB RGB RGB ・・・ RGB RGB
GS0 GS1 GS2
GS62 GS63
【Note3】 R0-5、G0-5、B0-5、CK、Hsyn、Vsync、ENAB、SCAN