Product Specification

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LP140WH1

Liquid Crystal Display

Ver.1.0

May. 22, 2009

3-4. Signal Timing Specifications

Table 4. TIMING TABLE

This is the signal timing required at the input of the User connector. All of the interface signal timing should be

satisfied with the following specifications and specifications of LVDS Tx/Rx for its proper operation.

3-5. Signal Timing Waveforms

Condition : VCC =3.3V

Low: 0.3VCC

High: 0.7VCC

Data Enable, Hsync, Vsync

Hsync

Data Enable

Vsync

Data Enable

t

WH

t

HP

t

HFP

t

HBP

t

VP

t

WV

t

VBP

t

VFP

0.5 Vcc

DCLK

ITEM

Symbol

Min

Typ

Max

Unit

Note

DCLK

Frequency

68.7

72.3

76.2

MHz

Hsync

Period

1470

1526

1586

tCLK

Width

23

32

40

Width-Active

1366

1366

1366

Vsync

Period

779

790

801

tHP

Width

2

5

8

Width-Active

768

768

768

Data

Enable

Horizontal back porch

72

80

124

tCLK

Horizontal front porch

8

48

48

Vertical back porch

8

14

20

tHP

Vertical front porch

1

3

5