4.5Video Signal On
The sequence for bringing up and removal of each video input signal can be in any sequence or combination of input signals.
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| Video Modes |
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| IBM VGA | VESA | ||
Resolution | 640x400 | 640x480 | 800x600 | 1024x768 |
Video Clock | 25.175 MHz | 25.175 MHz | 50.000 MHz | 75.000 MHz |
Horizontal Scan |
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Freq. | 31.468 KHz | 31.468 KHz | 48.077 KHz | 56.476 KHz |
Horizontal Line | 31.778 us 800 | 31.778 us 800 | 20.800 us 1040 | 17.707 us 1328 |
Period | pixels | pixels | pixels | pixels |
Horizontal |
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Blanking | 6.356 us 160 pixels | 6.356 us 160 pixels | 4.800 us 240 pixels | 4.053 um 304 pixels |
Horizontal Sync |
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Pulse | 3.813 us 96 pixels | 3.813 us 96 pixels | 2.400 us 120 pixels | 1.813 us 136 pixels |
Horizontal Front |
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Porch | 0.636 us 16 pixels | 0.636 us 16 pixels | 1.120 us 56 pixels | 0.320 us 24 pixels |
Horizontal Back |
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Porch | 1.907 us 48 pixels | 1.907 us 48 pixels | 1.280 us 64 pixels | 1.920 us 144 pixels |
Horizontal Active |
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| 13.653 us 1024 |
Display | 25.422 us 640 pixels | 25.422 us 640 pixels | 16.000 us 800 pixels | pixels |
Horizontal Sync |
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Polarity | - | - | - | - |
Vertical Scan Freq. | 70.087 Hz | 59.94 Hz | 72.184 Hz | 70.069 |
Vertical Frame |
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Period | 14.268 ms 449 lines | 16.683ms 525 lines | 13.853 ms 666 lines | 14.272 ms 806 lines |
Vertical Blanking | 1.557 ms 49 line | 1.430 ms 45 line | 1.373 ms 66 lines | 0.673 ms 38 lines |
Vertical Sync Pulse | 0.064 ms 2 lines | 0.064 ms 2 lines | 0.125 ms 6 lines | 0.106 ms 6 lines |
Vertical Front |
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Porch | 0.381 ms 12 lines | 0.318 ms 10 lines | 0.770 ms 37 lines | 0.053 ms 3 lines |
Vertical Back Porch | 1.112 ms 35 lines | 1.049 ms 33 lines | 0.478 ms 23 lines | 0.514 ms 29 lines |
Vertical Active |
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Display | 12.711 ms 400 lines | 15.254 ms 480 lines | 12.480 ms 600 lines | 13.599 ms 768 lines |
Vertical Sync |
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Polarity | - | - | - | - |
Note: VGA border is not included in the Active Display time described above.
Title: Product Specification: LC12 | Page 13 of 24 |
Document Number: | Revision: A |