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Difference between revisions of "on-screen display controller"

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{{title|On-Screen Display Controller (OSDC)}}
 
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An '''on-screen display controller''' or '''on-screen display circuit''' ('''OSDC''' or '''OSD Controller''') or just '''OSD''' is a [[digital circuit]] that provides the functionality needed to create [[on-screen display]]s - i.e. a circuit that allows text and low-level graphics to be superimposed onto a TV screen (on top of normal video signal). OSD circuitry is found as discrete chips, built-into some [[microcontroller]]s, and most recently incorporated into the main graphics processor.
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An '''on-screen display controller''' or '''on-screen display circuit''' ('''OSDC''' or '''OSD Controller''') or just '''OSD''' is a [[digital circuit]] that provides the functionality needed to create [[on-screen display]]s - i.e. a circuit that allows text and low-level graphics to be superimposed onto a TV screen (on top of normal video signal). OSD circuitry is found as discrete chips, built-into some [[microcontroller]]s, and most recently incorporated into the main graphics processor. Sometimes OSD chips also incorporate other features such as [[picture-in-picture]] (PiP).  
  
 
== Typical features ==
 
== Typical features ==
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* {{nec|μPD64xx|NEC μPD64xx}}
 
* {{nec|μPD64xx|NEC μPD64xx}}
 
{{expand list}}
 
{{expand list}}
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== See also ==
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* [[picture-in-picture]] (PiP)
  
  
 
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Revision as of 16:35, 11 February 2016

An on-screen display controller or on-screen display circuit (OSDC or OSD Controller) or just OSD is a digital circuit that provides the functionality needed to create on-screen displays - i.e. a circuit that allows text and low-level graphics to be superimposed onto a TV screen (on top of normal video signal). OSD circuitry is found as discrete chips, built-into some microcontrollers, and most recently incorporated into the main graphics processor. Sometimes OSD chips also incorporate other features such as picture-in-picture (PiP).

Typical features

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Architecture

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OSD Chips

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See also


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