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Contents
Section 1
Overview of Q2 (Quick 2D Graphics Renderer)
...............................
1
1.1 Q2
Overview ...................................................................................................
1
1.2 Block Diagram.................................................................................................
2
1.3 Concepts ........................................................................................................
4
1.3.1
Simplicity (Optimization of System Configuration) ....................................
4
1.3.2
Realtime Operation................................................................................
5
1.3.3
Upgradability........................................................................................
6
1.4
Summary of Functions......................................................................................
8
Section 2
Pins
................................................................................................... 11
2.1
Pin Arrangement and Functions .......................................................................... 11
2.1.1
Overview of Pins .................................................................................. 11
2.1.2
Pin Arrangement................................................................................... 12
2.1.3 Pin
Functions....................................................................................... 13
2.2
Operating Mode Pins ........................................................................................ 19
2.3
CPU Interface Pins........................................................................................... 20
2.3.1 CPU
Writes ......................................................................................... 20
2.3.2 CPU Reads
.......................................................................................... 21
2.3.3 DMA Writes
........................................................................................ 21
2.3.4 Interrupts ............................................................................................. 21
2.4
Power Supply Pins........................................................................................... 22
2.4.1
Normal Power Supply and PLL Power Supply ........................................... 22
2.4.2
CPU Power Supply ............................................................................... 22
2.5
Display Interface Pins ....................................................................................... 22
2.5.1
DAC Interface....................................................................................... 22
2.5.2
Video Encoder Interface........................................................................... 23
2.5.3
CRT Interface....................................................................................... 23
2.6
UGM Interface Pins.......................................................................................... 23
2.6.1
UGM Access ........................................................................................ 23
Section 3
Unified Graphics Memory (UGM) Display Functions
..................... 25
3.1 Clocks ........................................................................................................... 25
3.2 UGM (Unified Graphics Memory) Control............................................................ 26
3.2.1
Overview ............................................................................................. 26
3.2.2
Memory Access .................................................................................... 27
3.2.3
Memory Map ....................................................................................... 28
3.3
Display and Display Control .............................................................................. 35
3.3.1
Overview ............................................................................................. 35
3.3.2
Double-Buffering Control ....................................................................... 35
Содержание HD64411 Q2
Страница 17: ...10 ...
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Страница 108: ...101 Example 0 0 Work coordinates Rendering coordinates XC YC ...
Страница 110: ...103 Example Old XC YC Old XC XC old YC YC 0 0 Work coordinates Rendering coordinates XC YC ...
Страница 112: ...105 Example 0 0 Work coordinates Rendering coordinates XO1 YO1 XO1 DX2 YO1 DY2 XO1 DX1 YO1 DY1 LINE ...
Страница 116: ...109 Example 0 0 Work coordinates Rendering coordinates XMIN YMIN XMAX YMAX ...
Страница 118: ...111 Example 0 0 Work coordinates Rendering coordinates XMAX YMAX ...
Страница 120: ...113 Example 0 0 Work coordinates XMIN YMIN XMAX YMAX ...
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Страница 213: ...206 Figure 7 20 TV Sync Mode Display Timing When DOT 0 or DOT 1 and EXHSYNC cycle is even multiple of CLK1 cycle ...