TinyVGA.com: VGA Microcontroller projects

VESA Signal 768 x 576 @ 85 Hz timing

General timing

Screen refresh rate 85 Hz

Vertical refresh 51.428571428571 kHz

Pixel freq. 51.84 MHz

Polarity of horizontal sync pulse is negative.

Scanline part Pixels Time [µs]

Visible area 768 14.814814814815

Front porch 40 0.7716049382716

Sync pulse 80 1.5432098765432

Back porch 120 2.3148148148148

Whole line 1008 19.444444444444

Polarity of vertical sync pulse is positive.

Frame part Lines Time [ms]

Visible area 576 11.2

Front porch 1 0.019444444444444

Sync pulse 3 0.058333333333333

Back porch 25 0.48611111111111

Whole frame 605 11.763888888889