M220Z1-L10 データシートの表示（PDF） - Unspecified

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M220Z1-L10

TFT LCD Approval Specification

Unspecified 

Issued Date: Jan. 06, 2009

Model No.: M220Z1-L10

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 0V

for LCD, Vcc

Power On

90%

10%

t1

t2

Power Off Restart

90%

t7

10%

10%

t4

t3

- Interface Signal

(LVDS Signal of 0V

Transmitter), VI

- Power for Lamp

Valid Data

t5

t6

50%

50%

OFF

ON

OFF

Timing Specifications:

0.5< t1 ≦ 10 msec

0 < t2 ≦ 50 msec

0 < t3 ≦ 50 msec

t4 ≧ 500 msec

t5 ≧ 450 msec

t6 ≧ 90 msec

5 ≦t7 ≦ 100 msec

Note：

(1) The supply voltage of the external system for the module input should be the same as the definition of Vcc.

(2) Apply the lamp voltage within the LCD operation range. When the backlight turns on before the LCD

operation of the LCD turns off before the backlight turns off, the display may momentarily become abnormal

screen.

(3) In case of VCC = off level, please keep the level of input signals on the 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 shall not be kept at high impedance when the power is on.

(6) The company will not guarantee or compensate for the product damage caused by not following the Power

Sequence.

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