10/7/2023 0 Comments What is a video controller![]() ![]() ![]() The VDC is the main component of the video signal generator logic, responsible for generating the timing of video signals such as the horizontal and vertical synchronization signals and the blanking interval signal. VDCs were used in the home computers of the 1980s and also in some early video picture systems. Some VDCs also generate an audio signal, but that is not their main function. Block diagram of a NEC µPD7220 graphics display controllerĪ video display controller or VDC (also regularly called display engine, display interface) is an integrated circuit which is the main component in a video-signal generator, a device responsible for the production of a TV video signal in a computing or game system.
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