參數(shù)資料
型號(hào)： LTM170EU-L11
廠商： SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述： Color Active Matrix TFT Liquid crystal display
中文描述： 彩色有源矩陣TFT液晶顯示器
文件頁(yè)數(shù)： 20/24頁(yè)
文件大?。?/td> 746K
代理商： LTM170EU-L11
Doc . No
PI004_LTM170EU-L11
Page
20
/24
6.3
Power ON/OFF Sequence
: To prevent a latch-up or DC operation of the LCD module, the power on/off sequence
should be as the diagram below.
Power Supply
V
DD
0.9 V
DD
0.9 V
DD
0V
0 V
VALID
Signals
T
3
300
1sec
≤
T
4
T
1
T
2
T
4
0.1 V
DD
0.1 V
DD
100 msec
≤
T
6
Power On
Power Off
T
5
T
6
50%
50%
≤
T
1
≤
10msec
0
≤
T
2
≤
50 msec
0
≤
T
3
≤
50 msec
Back-light(Recommended)
500
msec
≤
T
5
Power ON/OFF Sequence
NOTE.
(1) The supply voltage of the external system for the module input should be the
same as the definition of
V
DD
.
(2) Apply the lamp voltage within the LCD operation range. When the back-light turns
on before the LCD operation or the LCD turns off before the back-light
the display may momentarily become abnormal screen.
(3) In case of V
DD
= off level, please keep the level of input signals low or
keep a high impedance.
(4) T4 should be measured after the module has been fully discharged between
power off and on period.
(5) Interface signal should not be kept at high impedance when the power is on.
turns off,
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