Last change
on this file since 4aad7a7 was 3ae31e9, checked in by Thomas Lopatic <thomas@…>, 7 years ago |
Imported original source code.
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100755
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File size:
1.2 KB
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[3ae31e9] | 1 | 82716 VSDD Timing Calculations
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| 2 | ------------------------------
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| 3 |
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| 4 | with HRS = 1 and PSA = 0
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| 5 |
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| 6 | Clock values
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| 7 | ------------
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| 8 |
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| 9 | VCK = 12800000 Hz Master clock
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| 10 | PIXCLK = 12800000 Hz Pixel clock
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| 11 | VPH = 6400000 Hz Internal clock
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| 12 | GCLK = 800000 Hz General clock (1250 nanoseconds)
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| 13 |
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| 14 | Horizontal values Vertical values
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| 15 | ----------------- ---------------
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| 16 |
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| 17 | HC0 = 4 GCLKs VC0 = 9 lines sync
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| 18 | HC1 = 6 GCLKs VC1 = 11 lines start
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| 19 | HC2 = 38 GCLKs VC2 = 361 lines stop
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| 20 | HC3 = 41 GCLKs VC3 = 363 lines sweep
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| 21 |
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| 22 | AHP = 32 GCLKs AVL = 350 lines active
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| 23 | IHP = 9 GCLKs IVL = 13 lines inactive
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| 24 |
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| 25 | HSYNC = 5000 nanoseconds VSYNC = 461250 nanoseconds
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| 26 | HSWEEP = 51250 nanoseconds VSWEEP = 18603750 nanoseconds
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| 27 | AHZ = 40000 nanoseconds AVZ = 17937500 nanoseconds
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| 28 |
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| 29 | Miscellaneous values
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| 30 | --------------------
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| 31 |
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| 32 | GPIX = 16 pixels / GCLK HPIX = 512 pixels displayed
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| 33 | HRATE = 19512 Hz VRATE = 53 Hz
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| 34 |
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