VGA

VGA scanning timing sequence

The scanning timing of VGA can be divided into four stages: synchronization pulse a, display trailing edge b, display timing segment c, and display leading edge d.

The basic principle of VGA

The colors displayed on the screen of a VGA monitor are composed of the three basic colors: R (Red), G (Green), and B (Blue). The cathode ray tube (CRT) emits an electron beam, which strikes the fluorescent screen to generate the three primary colors.

What is VGA?

Video Graphics Array (VGA, Video Graphic Array) was a computer display standard using analog signals proposed by IBM in 1987. The VGA interface is a dedicated interface that uses the VGA standard to output data. The VGA interface is typically used for transmit