E602204_HD64413A Просмотр технического описания (PDF) - Mitsumi
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E602204_HD64413A Datasheet PDF : 387 Pages
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3.2.3 UGM Access by DMAC .................................................................................. 35
3.2.4 UGM Access by Q2SD.................................................................................... 35
3.2.5 Register Access from the CPU ......................................................................... 36
3.2.6 Register Updating............................................................................................ 37
3.2.7 Byte Exchange Function .................................................................................. 39
3.2.8 2-Dimensional Image Data Exchange Function ................................................ 40
3.2.9 Input Color Data Configurations ...................................................................... 44
3.2.10 Configurations of Data in UGM ....................................................................... 47
3.2.11 Q2SD Internal Data Format ............................................................................. 49
3.2.12 Interrupt Output Function ................................................................................ 50
3.3 Unified Graphics Memory (UGM)................................................................................ 51
3.3.1 Memory Address ............................................................................................. 51
3.3.2 Memory Map................................................................................................... 56
3.3.3 Coordinate Systems ......................................................................................... 59
3.3.4 Double-Buffering Control ................................................................................ 68
3.3.5 Refresh Control ............................................................................................... 74
3.4 Display ........................................................................................................................ 75
3.4.1 Display Functions............................................................................................ 75
3.4.2 Screen Display Composition ............................................................................ 78
3.4.3 Scanning Systems............................................................................................ 81
3.4.4 Synchronization Systems ................................................................................. 90
3.4.5 Color Expansion of Display Screen.................................................................. 94
3.5 Rendering .................................................................................................................... 96
3.5.1 Commands ...................................................................................................... 96
3.5.2 Image Data Reference...................................................................................... 98
3.5.3 Rendering Attributes........................................................................................ 101
3.5.4 Command Fetching.......................................................................................... 110
3.5.5 Internal Buffer................................................................................................. 113
3.6 Video Capture.............................................................................................................. 114
3.6.1 Configuring Circuit for Video Capture ............................................................. 114
3.6.2 Video Capture Mode........................................................................................ 116
3.6.3 Reduction of Video Capture Images................................................................. 122
3.6.4 Setting Video Capture Position ........................................................................ 123
3.6.5 Format of Captured Data.................................................................................. 125
3.6.6 YCbCr and RGB Data ..................................................................................... 127
3.7 Video Display Function................................................................................................ 128
3.7.1 Video Screen Display ...................................................................................... 128
3.7.2 Relationship between the Display Mode and Video-Capture Mode ................... 129
Section 4 Display List ....................................................................................137
4.1 Four-Vertex Screen Drawing........................................................................................ 138
4.1.1 POLYGON4A................................................................................................. 138
4.1.2 POLYGON4B ................................................................................................. 143
Rev. 2.0, 09/02, page vii of xviii
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