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VA912-4_VA912b-4
ELECTRICAL REQUIREMENT
Horizontal / Vertical Frequency
Horizontal Frequency
30 – 82 KHZ
Vertical Refresh Rate
50 – 85* HZ.
Maximum Pixel Clock
135 MHz
Sync Polarity
Independent of sync polarity.
TIMING TABLE
Item
Timing
Analog
Digital
1
640 x 350 @ 70Hz, 31.5kHz
Yes
Yes
2
640 x 400 @ 60Hz, 31.5kHz
Yes
Yes
3
640 x 400 @ 70Hz, 31.5kHz
Yes
Yes
4
640 x 480 @ 60Hz, 31.5kHz
Yes
Yes
5
640 x 480 @ 67Hz, 35.0kHz
Yes
Yes
6
640 x 480 @ 72Hz, 37.9kHz
Yes
Yes
7
640 x 480 @ 75Hz, 37.5kHz
Yes
Yes
8
640 x 480 @ 85Hz, 43.27kHz
Yes
Yes
9
720 x 400 @ 70Hz, 31.5kHz
Yes
Yes
10 800 x 600 @ 56Hz, 35.1kHz
Yes
Yes
11 800 x 600 @ 60Hz, 37.9kHz
Yes
Yes
12 800 x 600 @ 75Hz, 46.9kHz
Yes
Yes
13 800 x 600 @ 72Hz, 48.1kHz
Yes
Yes
14 800 x 600 @ 85Hz, 53.7kHz
Yes
Yes
15 832 x 624 @ 75Hz, 49.7kHz
Yes
Yes
16 1024 x 768 @ 60Hz, 48.4kHz
Yes
Yes
17 1024 x 768 @ 70Hz, 56.5kHz
Yes
Yes
18 1024 x 768 @ 72Hz, 58.1kHz
Yes
Yes
19 1024 x 768 @ 75Hz, 60.0kHz
Yes
Yes
20 1024 x 768 @ 85Hz, 68.67kHz
Yes
Yes
21 1152 x 870 @ 75Hz, 68.7kHz
Yes
Yes
22 1280 x 1024 @ 60Hz, 63.4kHz
Yes
Yes
23 1280 x 1024 @ 75Hz, 79.97kHz
Yes
Yes
24 1280x 720 @ 60Hz, 45kHz (HDTV)
Yes
Yes
Primary Presets
1280x1024 @ 60Hz
User Presets
Number of User Presets (recognized timings) Available
: 10
presets total in FIFO
configuration
Changing Modes
l
Maximum Mode Change Blank Time for image stability : 3 seconds (Max), excluding
“Auto Adjust” time
l
Under DOS mode (640 x 350, 720 x 400 & 640 x 400), there is no “Auto Adjust”
feature.
l
The monitor needs to do “A uto Adjust” the first time a new mode is detected but except
the DOS mode 640 x 350, 720 x 400 & 640 x 400.(see section “0-Touch™ Function
Actions”)
l
While running Change Mode, Auto Adjust or Memory Recall, the image shall blank