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VSDD.TXT@ a6f5b95

Last change on this file since a6f5b95 was 3ae31e9, checked in by Thomas Lopatic <thomas@…>, 8 years ago
Imported original source code.
Property mode set to `100755`
File size: 1.2 KB

Rev	Line
[3ae31e9]	1	82716 VSDD Timing Calculations
	2	------------------------------
	3
	4	with HRS = 1 and PSA = 0
	5
	6	Clock values
	7	------------
	8
	9	VCK = 12800000 Hz Master clock
	10	PIXCLK = 12800000 Hz Pixel clock
	11	VPH = 6400000 Hz Internal clock
	12	GCLK = 800000 Hz General clock (1250 nanoseconds)
	13
	14	Horizontal values Vertical values
	15	----------------- ---------------
	16
	17	HC0 = 4 GCLKs VC0 = 9 lines sync
	18	HC1 = 6 GCLKs VC1 = 11 lines start
	19	HC2 = 38 GCLKs VC2 = 361 lines stop
	20	HC3 = 41 GCLKs VC3 = 363 lines sweep
	21
	22	AHP = 32 GCLKs AVL = 350 lines active
	23	IHP = 9 GCLKs IVL = 13 lines inactive
	24
	25	HSYNC = 5000 nanoseconds VSYNC = 461250 nanoseconds
	26	HSWEEP = 51250 nanoseconds VSWEEP = 18603750 nanoseconds
	27	AHZ = 40000 nanoseconds AVZ = 17937500 nanoseconds
	28
	29	Miscellaneous values
	30	--------------------
	31
	32	GPIX = 16 pixels / GCLK HPIX = 512 pixels displayed
	33	HRATE = 19512 Hz VRATE = 53 Hz
	34

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