LM170E01
Liquid Crystal Display
Product Specification
3-6. Power Sequence
90%
90%
Power supply for LCD
Vcc
10%
10%
T2
T5 T6
T7
T1
0V
Valid data
Interface signal
VI
T4
T3
Lamp on
Power for LAMP
OFF
OFF
[ Figure 7 ] Power sequence
Table 8. Power sequence time delay
Values
Parameter
Units
Min.
Typ.
Max.
T1
T2
T3
T4
T5
T6
T7
-
-
-
-
-
-
-
-
10
50
-
ms
ms
ms
ms
ms
ms
s
0.01
200
200
0.01
0.01
1
-
50
10
-
Notes : 1. Please avoid floating state of interface signal at invalid period.
2. When the interface signal is invalid, be sure to pull down the power supply for
LCD VCC to 0V.
3. Lamp power must be turn on after power supply for LCD and interface signals
are valid.
15 / 28
Ver 1.0
Mar. 28, 2005
LG [ LG SEMICON CO.,LTD. ]
