PD104VT2

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Page:10

7-2) Input / Output signal timing chart

Parameters

Symbol

Min.

Typ.

Max.

Unit

Note

Fc=1/Tc

25.175

MHz

CLK

Frequency

tc

40

ns

Note 7-6

31.778

us

Period

Hp

800

tc

Display period

Hdp

640

tc

Pulse width

Hpw

12

96

139

tc

Back-porch

Hbp

12

48

139

tc

Front-porch

Hfp

16

tc

Hpw+Hbp

136

144

151

tc

Hsync-CLK

Hhc

10

Tc-10

ns

Hsync

Vsync-Hsync

Hvh

0

0

200

tc

16.8

ms

Period

Vp

515

525

800

Hp

Display period

Vdp

480

Hp

Pulse width

Vpw

2

2

35

Hp

Back-porch

Vbp

2

33

35

Hp

Front-porch

Vfp

1

10

Hp

Vsync

Vpw+Vbp

31

35

38

Hp

CLK-DATA

Dcd

10

ns

Data

DATA-CLK

Ddc

10

ns

Horizontal scanning

period

T1

780

800

900

tc

Horizontal display

period

T2

640

tc

Vertical display

period

T3

480

T1

DENB

Frame cycling

period

T4

515

525

800

T1

Note 7-6 : Tc is the period of sampling clock. In case of low-frequency , the image-flicker may occur.