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Timing Name = 640 x 480 @ 60Hz;

Hor Pixels = 640; // Pixels

Ver Pixels = 480; // Lines

Hor Frequency = 31.469; // kHz = 31.8 usec / line

Ver Frequency = 59.940; // Hz = 16.7 msec / frame

Pixel Clock = 25.175; // MHz = 39.7 nsec ± 0.5%

Character Width = 8; // Pixels = 317.8 nsec

Scan Type = NONINTERLACED; // H Phase = 2.0 %

Hor Sync Polarity = NEGATIVE; // HBlank = 18.0% of HTotal

Ver Sync Polarity = NEGATIVE; // VBlank = 5.5% of VTotal

Hor Total Time = 31.778; // (usec) = 100 chars = 800 Pixels

Hor Addr Time = 25.422; // (usec) = 80 chars = 640 Pixels

Hor Blank Start = 25.740; // (usec) = 81 chars = 648 Pixels

Hor Blank Time = 5.720; // (usec) = 18 chars = 144 Pixels

Hor Sync Start = 26.058; // (usec) = 82 chars = 656 Pixels

// H Right Border = 0.318; // (usec) = 1 chars = 8 Pixels

// H Front Porch = 0.318; // (usec) = 1 chars = 8 Pixels

Hor Sync Time = 3.813; // (usec) = 12 chars = 96 Pixels

// H Back Porch = 1.589; // (usec) = 5 chars = 40 Pixels

// H Left Border = 0.318; // (usec) = 1 chars = 8 Pixels

Ver Total Time = 16.683; // (msec) = 525 lines HT – (1.06xHA)

Ver Addr Time = 15.253; // (msec) = 480 lines = 4.83

Ver Blank Start = 15.507; // (msec) = 488 lines

Ver Blank Time = 0.922; // (msec) = 29 lines

Ver Sync Start = 15.571; // (msec) = 490 lines

// V Bottom Border = 0.254; // (msec) = 8 lines

// V Front Porch = 0.064; // (msec) = 2 lines

Ver Sync Time = 0.064; // (msec) = 2 lines

// V Back Porch = 0.794; // (msec) = 25 lines

// V Top Border = 0.254; // (msec) = 8 lines

 Timing Name = 1280 x 960 @ 60Hz;

Hor Pixels = 1280; // Pixels

Ver Pixels = 960; // Lines

Hor Frequency = 60.000; // kHz = 16.7 usec / line

Ver Frequency = 60.000; // Hz = 16.7 msec / frame

Pixel Clock = 108.000; // MHz = 9.3 nsec ± 0.5%

Character Width = 8; // Pixels = 74.1 nsec

Scan Type = NONINTERLACED; // H Phase = 6.0 %

Hor Sync Polarity = POSITIVE; // HBlank = 28.9% of HTotal

Ver Sync Polarity = POSITIVE; // VBlank = 4.0% of VTotal

Hor Total Time = 16.667; // (usec) = 225 chars = 1800 Pixels

Hor Addr Time = 11.852; // (usec) = 160 chars = 1280 Pixels

Hor Blank Start = 11.852; // (usec) = 160 chars = 1280 Pixels

Hor Blank Time = 4.815; // (usec) = 65 chars = 520 Pixels

Hor Sync Start = 12.741; // (usec) = 172 chars = 1376 Pixels

// H Right Border = 0.000; // (usec) = 0 chars = 0 Pixels

// H Front Porch = 0.889; // (usec) = 12 chars = 96 Pixels

Hor Sync Time = 1.037; // (usec) = 14 chars = 112 Pixels

// H Back Porch = 2.889; // (usec) = 39 chars = 312 Pixels

// H Left Border = 0.000; // (usec) = 0 chars = 0 Pixels

Ver Total Time = 16.667; // (msec) = 1000 lines HT – (1.06xHA)

Ver Addr Time = 16.000; // (msec) = 960 lines = 4.1

Ver Blank Start = 16.000; // (msec) = 960 lines

Ver Blank Time = 0.667; // (msec) = 40 lines

Ver Sync Start = 16.017; // (msec) = 961 lines

// V Bottom Border = 0.000; // (msec) = 0 lines

// V Front Porch = 0.017; // (msec) = 1 lines

Ver Sync Time = 0.050; // (msec) = 3 lines

// V Back Porch = 0.600; // (msec) = 36 lines

// V Top Border = 0.000; // (msec) = 0 lines

The different modes that Advanced Timing allows end users to select are:

• Electronic Industries Alliance (EIA-861B) refers to a CEA/EIA standard which consists of display timing and formats supported by Digital Televisions
• Generalized Timing Formula (GTF) is a method of generating industry standard timings used by a wide variety of display products
• Display Monitor Timings (DMT) are a list of VESA standard pre-defined timings which are commonly used within the Computer industry.
• Coordinated Video Timings (CVT) were released on March 2003 as the newest VESA standard for generating display timings
• Coordinated Video Timings-Reduced Blanking (CVT-RB) is geared specifically for non-CRT display devices. CVT-RB offers reduced horizontal and vertical blanking periods and allows a lower pixel clock rate and higher frame rates.
• EDID Timing is the preferred timing standard defined by the display's Extended Display Identification Data (EDID) value. EDID is a standard data structure that defines the display device's configuration data and mode support which allows optimum use of the display 

The standard was adopted in 2002 and superseded the Generalized Timing Formula. 

 타이밍 모드

 표준

 CEA/EIA-861B

 ???

 GTF 

 1999

 DMT

 2007 (Version 1.0 Rev 0.11)

 CVT 

 2002 (Version 1.0 Rev 0.9)

 CVT-RB

 2007 (Version 1.0 Rev 0.11)

 EDID 

 1996 (Version 1.0 Rev 0.4)

he standard was adopted in 1999, and was superseded by the Coordinated Video Timings specification in 2002. 

"VGA industry standard" 640x480 pixel mode

Clock frequency 25.175 MHz

Line  frequency 31469 Hz

Field frequency 59.94 Hz

One line

  8 pixels front porch

96 pixels horizontal sync

 40 pixels back porch

  8 pixels left border

640 pixels video

  8 pixels right border

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800 pixels total per line

One field

  2 lines front porch

  2 lines vertical sync

 25 lines back porch

  8 lines top border

480 lines video

  8 lines bottom border

---

525 lines total per field