PD064VT4

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Page:12

(5) Detail of Vertical Timing :

Vp

Vpw

Vdp

Vfp

Vbp

Vsync

Display period

.

(a)

VGA-480 Mode (Vsync = Positive / Negative Polarization)

Item

Description

Horizontal Lines

Time

A

Vertical Width

2

63.5 μs

B

Vertical B-Porch

33

1.049 ms

C

Vertical Display

480

15.253 ms

D

Vertical F-Porch

10

317.8 μs

E

Vertical Total

525

16.683 ms

(b)

VGA-400 Mode (Vsync = Positive Polarization)

Item

Description

Horizontal Lines

Time

A

Vertical Width

2

63.5 μs

B

Vertical B-Porch

35

1.112 ms

C

Vertical Display

400

12.711 ms

D

Vertical F-Porch

12

381.0 μs

E

Vertical Total

449

14.268 ms

(c)

VGA-350 Mode (Vsync = Negative Polarization)

Item

Description

Horizontal Lines

Time

A

Vertical Width

2

63.5 μs

B

Vertical B-Porch

60

1.907 ms

C

Vertical Display

350

11.122 ms

D

Vertical F-Porch

37

1.176 μs

E

Vertical Total

449

14.268 ms