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4.2
POWER ON/OFF SEQUENCE
To prevent a latch-up or DC operation of the LCD assembly, the power on/off
sequence should be as the diagram below.
Note (1): Please avoid floating state of interface signal at invalid period.
Note (2): When the interface signal is invalid, be sure to pull down the power supply
of LCD VCC to 0 V.
Note (3): Backlight converter power must be turned on after the power supply for the
logic and the interface signal to be valid. The backlight converter power must be
turned off before the power supply or the logic and the interface signal is invalid.
Parameter
T1
T2
T3
T4
T5
T6
T7
T8
T9
T10
Value
Min.
Typ.
0.5
-
0
-
0
-
500
-
200
-
200
-
5
-
10
-
10
-
20
-
21
Unit
Max.
10
[ms]
50
[ms]
50
[ms]
-
[ms]
-
[ms]
-
[ms]
300
[ms]
-
[ms]
-
[ms]
50
[ms]
IDK-2115 User Manual
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