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. JSTOR ( December 2015) ( Learn how and when to remove this template message)īlock 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.Find sources: "Video display controller" – news Unsourced material may be challenged and removed. Please help improve this article by adding citations to reliable sources. This article needs additional citations for verification.
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