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ELECTRICAL REQUIREMENT
Horizontal / Vertical Frequency
Horizontal Frequency
24 – 92 KHZ
Vertical Refresh Rate
50 – 85* HZ.
Maximum Pixel Clock
165 MHz
Sync Polarity
Independent of sync polarity.
Timing Table
Analog
Item
Timing
Separated
Composite
SOG
Digital
- TMDS
Remark
1
640 x 350
@ 70 Hz, 31.5 KHz
ü ü ü ü
2
640 x 350
@ 85 Hz, 37.9 KHz
ü ü
ü
For Separated sync, Only horizontal full
screen, The vertical position is at the
center.
3
640 x 400
@ 60 Hz, 31.5 KHz
ü ü ü ü
For SOG sync, switch 640x400@60Hz
and 640x480@60Hz by [1]+[2] short cut
key (primary = 640x480@60Hz)
4
640 x 400
@ 70 Hz, 31.5 KHz
ü ü ü ü
For Separated Sync, Switch
640x400@70Hz and 720x400@70Hz by
[1]+[2] short cut key (primary =
640x400@70Hz)
5
640 x 400
@ 85 Hz, 37.9 KHz
ü ü ü ü
For Separated Sync, Switch
640x400@85Hz and 720x400@85Hz by
[1]+[2] short cut key (primary =
640x400@85Hz)
6
640 x 480
@ 50 Hz, 24.7 KHz
ü ü ü
7
640 x 480
@ 60 Hz, 31.5 KHz
ü ü ü ü
For SOG sync, switch 640x400@60Hz
and 640x480@60Hz by [1]+[2] short cut
key (primary = 640x480@60Hz)
8
640 x 480
@ 67 Hz,
35
KHz
ü ü ü ü
9
640 x 480
@ 72 Hz, 37.9 KHz
ü ü ü ü
10
640 x 480
@ 75 Hz, 37.5 KHz
ü ü ü ü
11
640 x 480
@ 85 Hz, 43.3 KHz
ü ü ü ü
12
720 x 400
@ 70 Hz, 31.5 KHz
ü ü ü ü
13
720 x 400
@ 85 Hz, 37.9 KHz
ü ü ü ü
For Separated Sync, Switch
640x400@85Hz and 720x400@85Hz by
[1]+[2] short cut key (primary =
Viewsonic Corporation
6
Confidential - Do Not Copy VP2030b-1
Содержание VP2030b-1
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