54
Table 3-4 Estimated Number of Refresh Cycles (for 1/60s Field)
Sample Display
Number of Refresh Cycles (Per Raster)
Screen Sizes
Memory Size
4 Mbit
×
1
4 Mbit
×
2
16 Mbit
×
1
16 Mbit
×
2
320
×
240
5
5
—
—
640
×
240
—
5
5
5
640
×
480
—
—
3
3
The Q2 supports CAS-before-RAS refresh mode.
The refresh cycles set in bits REF3–0 are executed from the fall of the DISP signal.
Display Timing: The relationship between the display control register settings and the display
signals is shown in figure 3-17.
Содержание HD64411 Q2
Страница 17: ...10 ...
Страница 31: ...24 ...
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 ...
Страница 129: ...122 ...
Страница 167: ...160 ...
Страница 179: ...172 ...
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 ...