REV
P0
ISSUE DATE
2011.09.07
PRODUCT GROUP
TFT-LCD PRODUCT
9.0 POWER SEQUENCE
To prevent a latch-up or DC operation of the LCD module, the power on/off
sequence shall be as shown in below
0.9VDD
0.1VDD
0.9VDD
0.1VDD
Power Supply
0V
T1
T5
T2
T6
Valid
Interface Signal
0
T3
T4
Back- light
0
Values
Parameter
Units
Min
0
Typ
Max
T1
T2
T3
-
-
-
10
50
-
ms
ms
ms
0
100
T4
T5
T6
100
0
-
-
-
-
50
-
ms
ms
Sec
1
Notes:
1. When the power supply VDD is 0V, Keep the level of input signals on the low or keep
high impedance.
2. Do not keep the interface signal high impedance when power is on.
3. Back Light must be turn on after power for logic and interface signal are valid.
SPEC. NUMBER
SPEC. TITLE
PAGE
18 / 31
HX104X02-100 Preliminary Product Specification
TD-0008369
B2005-C001-C(3/3)
A4(210 X 297)
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