Patent ID: 6885377
Filing Date: 2005-04-26
Classification: G09G

Abstract:
1. An image data output control apparatus for a portable terminal, the apparatus comprising: first and second memories each for buffering image data, the image data being displayed on one screen; a host processor for selecting said first and second memories alternately as writing said image data of said subsequent screen into said screen buffer to construct said subsequent screen, and outputting said image data of said current screen stored in said display buffer; an output terminal for outputting image data from one of said first and second memories as image data for a screen to be displayed through a display unit; an access selector for connecting one of said first and second memories to said host processor, said one of said first and second memories selected as said screen buffer by said host processor, a display selector for connecting another one of said first and second memories to said output terminal, said another one of said first and second memories selected as said display buffer by said host processor; and a host interface for providing an interface for access to said first and second memories by said host processor and for control of said access selector and display selector by said host processor.