Product Specification

LP140WD2

Liquid Crystal Display

Ver. 1.0

Dec. 16. 2010

11 / 28

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.

ITEM

Symbol

Min.

Typ.

Max.

Unit

Note

DCLK

Frequency

f

CLK

-

96

-

MHz

Hsync

Period

t

HP

1704

1728

1768

tCLK

Width

t

WH

32

32

48

Width-Active

tw

HA

1600

1600

1600

Vsync

Period

t

VP

910

926

934

tHP

Width

t

WV

2

5

7

Width-Active

tw

VA

900

900

900

Data

Enable

Horizontal back porch

t

HBP

32

48

64

tCLK

Horizontal front porch

t

HFP

40

48

56

Vertical back porch

t

VBP

7

18

21

tHP

Vertical front porch

t

VFP

1

3

6

Appendix) All reliabilities are specified for timing specification based on refresh rate of 60 Hz.

Even though actual performance in 50Hz and 40Hz for low power is displayed normally,

remark and inform to user that display quality in 40 Hz and 50 Hz is out of guarantee range.

3-5. Signal Timing Waveforms

Condition : V

Low: 0.3VCC

High: 0.7VCC

Hsync

Date Enable

Vsync

Date Enable

t

WH

t

HP

t

HFP

t

HBP

t

VP

t

WV

t

VBP

t

VFP