G121X1-L01 データシートの表示（PDF） - AZ Displays

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G121X1-L01

TFT LCD Approval Specification

AZ Displays 

Doc No.: 14068025

Issued Date: Nov. 09, 2006

Model No.: G121X1-L01

Approval

6.2 POWER ON/OFF SEQUENCE

To prevent a latch-up or DC operation of LCD module, the power on/off sequence should follow the

conditions shown in the following diagram.

Power Supply

VCC

0V

0.5ms≤T1≤10ms

0≤T2≤50ms

0≤T3≤50ms

500ms≤T4

Signals

0V

0.9 VCC

0.1VCC

T1

T2

Power On

VALID

0.9 VCC

0.1VDD

T3

T4

Power Off

Backlight (Recommended)

200ms≤T5

200ms≤T6

50% 50%

T5

T6

Power ON/OFF Sequence

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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Version 3.1

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