參數(shù)資料
型號(hào): HT12X21
廠商: Electronic Theatre Controls, Inc.
英文描述: TFT-LCD PRODUCT
中文描述: TFT - LCD的產(chǎn)品
文件頁數(shù): 15/22頁
文件大?。?/td> 352K
代理商: HT12X21
PRODUCT GROUP
REV.
ISSUE DATE
TFT-LCD PRODUCT
A
2003.07.22
PAGE
SPEC. NUMBER
S864-1148
SPEC. TITLE
HT12X21-100 Product Specification
15 OF 22
A4 (210 X 297)
B3-002-O (3/3)
9.0 POWER SEQUENCE
To prevent a latch-up or DC operation of the LCD module, the power on/off sequence should be
as shown in below
l
0 < T1
10 ms
l
0 < T2
50 ms
l
100 ms
T3, T4
l
0 < T5
50 ms
l
1 sec < T6
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.
T1
Power Supply
Interface Signal
Back- light
Valid
T2
T5
T3
T4
0.9VDD
0.1VDD
0V
0.9VDD
0.1VDD
0
0
T6
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