Advertisement
3-6. Power Sequence
Power Supply For LCD
V
LCD
Interface Signal (Tx)
Option Signal
(DISM, DCR_Enable)
Power for Lamp
Table 9. POWER SEQUENCE
Parameter
T1
T2
T3
T4
T5
T6
T7
T8
T9
Note : 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 V
3. The case when the T2/T5 exceed maximum specification, it operates protection
pattern(Black pattern) till valid signal inputted. There is no reliability problem.
4. The T3/T4 is recommended value, the case when failed to meet a minimum specification,
abnormal display would be shown. There is no reliability problem.
5. If the on time of option signal(DISM or AI_Enable) precedes the on time of Power(V
check the LCD logic Power(Vcc) is under 0.8V, otherwise it will be happened abnormal display.
Product Specification
90%
10%
0V
1
2
T
T
3
T
8
T
Min
1.0
5.0
200
200
0.5
-
2.0
89／127
5
T
T
Valid Data
4
T
9
T
Lamp ON
Value
Typ
-
-
-
-
-
-
-
0 < T8 < T2
0 < T9 < T5
LC370WX1
Liquid Crystal Display
90%
10%
6
7
T
Unit
Max
20
ms
50
ms
-
ms
-
ms
50
ms
300
ms
-
s
ms
ms
to 0V.
LCD
),
LCD
Advertisement
