标签: on-screen

improvingtheperformanceofthemax4455byreducingon-screendisplayartifacts……

Abstract:Inanyon-screenvideodisplaysystemorcharactergenerator,itisdesirabletoprovidesmoothtransitionswhenchangingthedisplayedinformation.Applicationswhichdisplaythetimeanddateneedtobeupdatedbetweenframes,foranunambiguousrecord.TheMAX4455arbitrarygraphicson-screendisplaygeneratoriscapableofachievingthesegoalsbutdesignersneedtoaccountforthetransferoflargeamountsofdatathatcanoccurwhenprogrammingmanypixels.ThisarticleofferswaystomakesurethatyourMAX4455-basedOSDsystemwillhavetheoptimumgraphicsupdaterate.Maxim>AppNotes>A/DandD/AConversion/SamplingCircuitsVideoCircuitsKeywords:on-screendisplay,OSD,displaygenerator,videogenerator,NTSC,PAL,PALvideo,graphicsupdaterateSep22,2003APPLICATIONNOTE2156OptimizetheGraphicsUpdateRateonanOSDVideoGraphicsGeneratorAbstract:Inanyon-screenvideodisplaysystemorcharactergenerator,itisdesirabletoprovidesmoothtransitionswhenchangingthedisplayedinformation.Applicationswhichdisplaythetimeanddateneedtobeupdatedbetweenframes,foranunambiguousrecord.TheMAX4455arbitrarygraphicson-screendisplaygeneratoriscapableofachievingthesegoalsbutdesignersneedtoaccountforthetransferoflargeamountsofdatathatcanoccurwhenprogrammingmanypixels.Thisarticleoffer……