TinyVGA.com: VGA Microcontroller projects

VESA Signal 1280 x 1024 @ 100 Hz timing

General timing

Screen refresh rate 100 Hz

Vertical refresh 108.5 kHz

Pixel freq. 190.96 MHz

Polarity of horizontal sync pulse is negative.

Scanline part Pixels Time [µs]

Visible area 1280 6.7029744449099

Front porch 96 0.50272308336824

Sync pulse 144 0.75408462505237

Back porch 240 1.2568077084206

Whole line 1760 9.2165898617512

Polarity of vertical sync pulse is positive.

Frame part Lines Time [ms]

Visible area 1024 9.4377880184332

Front porch 1 0.0092165898617512

Sync pulse 3 0.027649769585253

Back porch 57 0.52534562211982

Whole frame 1085 10