G104V1-T01 Datasheet, PDF (17/26 Pages) AZ Displays – TFT LCD Approval Specification

Doc. No.:
Issued Date : Aug.9.2006
Model No :G104V1-T01
Approval
6.2 POWER ON/OFF SEQUENCE
To prevent a latch-up or DC operation of LCD module, the power on/off sequence should be as the
diagram below.
- Power Supply
for LCD, Vcc
0V
Power On
90%
10%
t1
t2
Power Off Restart
90% _t7
10%
t4
t3
- Interface Signal
V_I
0V
Valid Data
- Power for Lamp
t5
t6
50%
50%
OFF
ON
OFF
Timing Specifications:
0.5 < t1 10 ms
0 < t2 50 ms
0 < t3 50 ms
t4 500 ms
t5 200 ms
t6 200 ms
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) The Backlight inverter power must be turned on after the power supply for the logic and the
interface signal is valid. The Backlight inverter power must be turned off before the power supply
for the logic and the interface signal is invalid.
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