ENH084V1-300 Просмотр технического описания (PDF) - White Electronic Designs => Micro Semi
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ENH084V1-300 Datasheet PDF : 16 Pages
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White Electronic Designs
Display Systems Division
ENH084V1-300/400
VERTICAL DISPLAY POSITION
The vertical display position is automatically centered
in the active area at each mode of VGA,480-,400-,and
350-line mode. Each mode is selected depending on the
polarity of the synchronous signals described in on page
2 Input Terminals, Note 1.
In each mode, the data of TVn is displayed at the top line
of the active area. The display position will be centered
on the screen like the following figure when the period of
vertical synchronous signal, TV, is typical value.
In 400-,and 350-line mode, the data in the vertical data
invalid period is also displayed. So, inputting all data “()”
is recommended during vertical data invalid period.
ENAB signal has no relation to the vertical display
position.
Mode V-data start (TVs) V-data Perioc (TVd) V-display Start (TVn) V-display Period
Unit
480
34
480
34
480
line
400
34
400
443-TV
480
line
350
61
350
445-TV
480
lute
data invalid period
4 0 lines
data invalid period
6 5 lines
data period
1 0 0 lines
data period
3 5 0 lines
data invalid period
400 lines mode (TV=449)
4 0 lines
data invalid period
350 lines mode (TV=449)
6 5 lines
INPUT DATA SIGNALS AND DISPLAY POSITION ON THE SCREEN
Display position of input data (480 lines mode)
D1, DH1 D2, DH1 D3, DH1
D1, DH2 D2, DH2
UP
D640, DH1
D1, DH3
RGB
D1, DH480
D640, DH480
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
Original specifications created by Sharp.
September, 2004
Rev. 1
7
Display Systems Division • Hillsboro, OR • (503) 690-2460 • www.wedc.com
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