![](http://pdfasset.owneriq.net/2/e1/2e1a1824-c786-48ab-b4b2-d7864465d837/2e1a1824-c786-48ab-b4b2-d7864465d837-bg3e.png)
Specifications Sound and Video - 19
Monitor Timings
640x480 Resolution
at 66.67 Hz
Horizontal Timing
Back Porch: 96 dots
H SYNC: 64 dots
Front Porch: 64 dots
1 dot: 33.06878 n
1 H: 28.5714 ms
1/dot: 30.24 MHz
Vertical Timing
Back Porch: 39 H
V SYNC: 3 H
Front Porch: 3 H
1 H: 28.5714 ms
1/H: 35.000 kHz
1V: 15.000 ms
1/V: 66.666 Hz