LP121WX4TLA1 Просмотр технического описания (PDF) - LG

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Компоненты Описание

производитель

LP121WX4TLA1

Liquid Crystal Display - 12.1” WXGA TFT LCD

LG 

Product Specification

LP121WX4

Liquid Crystal Display

3-7. Power Sequence

Power Supply Input

VCC

90%

0V 10%

Interface Signal, Vi

LVDS

T1 T2

0V

Valid Data

90%

10%

T3 T7

T4

LED BL

On/Off Control Signal

LED_EN

0V (Off)

T5 3.0V 3.0V T6

T9

T10

LED BL

Dimming Control Signal

PWM

LED Driver Input Voltage

VLED

0V (Low)

0V

Valid Data

T8

90%

10% T12

T11

90%

T13

10%

Table 6. POWER SEQUENCE TABLE

Logic

Value

Units

Parameter

Min.

Typ.

Max.

LED

Value

Units

Parameter

Min.

Typ.

Max.

T1

0.5

-

10

ms

T2

0

-

50

ms

T3

0

-

50

ms

T4

400

-

-

ms

T5

200

-

-

ms

T6

200

-

-

ms

T7

3

-

10

ms

T8

10

-

-

ms

T9

0

-

-

ms

T10

0

-

-

ms

T11

10

-

-

ms

T12

0.5

-

-

ms

T13

0

-

5000

ms

Note)

1. Do not insert the mating cable when system turn on.

2. Valid Data have to meet “3-3. LVDS Signal Timing Specifications”

3. LVDS, LED_EN and PWM need to be on pull-down condition on invalid status.

4. LGD recommend the rising sequence of VLED after the Vcc and valid status of LVDS turn on.

Ver. 0.0

Mar. 23, 2010

13 / 32

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