TinyV G A.com: VGA Microcontroller projects

# VGA Signal 640 x 480 @ 60 Hz Industry standard timing

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## General timing

Screen refresh rate | 60 Hz
Vertical refresh | 31.46875 kHz
Pixel freq. | 25.175 MHz

## Horizontal timing (line)

Polarity of horizontal sync pulse is negative.

Scanline part | Pixels | Time [µs]
Visible area | 640 | 25.422045680238
Front porch | 16 | 0.63555114200596
Sync pulse | 96 | 3.8133068520357
Back porch | 48 | 1.9066534260179
Whole line | 800 | 31.777557100298

## Vertical timing (frame)

Polarity of vertical sync pulse is negative.

Frame part | Lines | Time [ms]
Visible area | 480 | 15.253227408143
Front porch | 10 | 0.31777557100298
Sync pulse | 2 | 0.063555114200596
Back porch | 33 | 1.0486593843098
Whole frame | 525 | 16.683217477656

Copyright(c)2008 SECONS Ltd.