Product Specification

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LM185WH2

Liquid Crystal Display

Ver. 1.0

JUN., 21, 2010

3-4. Signal timing specifications

Table 7. 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 for it’s proper operation.

Notes:

1. LM185WH2-TLA1 is DE Only mode operation. The input of Hsync & Vsync signal does not

have an effect on LCD normal operation.

2. The performance of the electro-optical characteristics may be influenced by variance of the

vertical refresh rates.

3. Horizontal period should be even.

kHz

60.6

47.9

38.3

f

H

Hsync Frequency

-

-

4

t

HD

Data Hold Time

For D

CLK

ns

-

-

4

t

SI

DE Setup Time

-

-

4

t

HI

DE Hold Time

Hz

76

60

48

f

V

Vsync Frequency

1108

798

776

t

VP

V Period Total

For D

CLK

Notes

ns

t

HP

t

CLK

MHz

ns

Unit

-

768

2044

1366

90.0

16.2

Max.

-

768

1608

1366

77.0

13.0

Typ.

4

768

1462

1366

61.6

11.1

Min.

t

SD

t

VV

t

HP

t

HV

f

CLK

t

CLK

Symbol

Data Setup Time

Vertical Valid

H Period Total

Horizontal Valid

Frequency

Period

Data

DE

(Data Enable)

Vertical

Horizontal

D

CLK

Parameter

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