參數(shù)資料
型號(hào)： TVP3010-110
廠商： Texas Instruments, Inc.
英文描述： Hardware Cursor, GAMMA Correction VIP(110MHz,高/寬光標(biāo)，伽馬校正，視頻接口調(diào)色板)
中文描述： 硬件光標(biāo)，伽瑪校正貴賓（110MHz的，高/寬光標(biāo)，伽馬校正，視頻接口調(diào)色板）
文件頁數(shù)： 39/100頁
文件大?。?/td> 571K
代理商： TVP3010-110
2–25
(0,0)
(31,31)
(63,63)
Figure 2–7. Common Sprite-Origin Settings
NOTE:
The programmable sprite-origin feature can be especially useful in creating
crosshair cursors and pointers. See Section 2.5.5 and Figures 2–8 and 2–9 for
more details.
2.5.4
Cursor positioning for the crosshair cursor is also done through the cursor-position (X and Y) register. The
intersection of the crosshair cursor is specified by the cursor-position (X and Y) register. If the thickness of
the crosshair cursor is greater than one pixel, the center of the intersection is the reference position. The
thickness of the crosshair cursor is specified by cursor-control register bits 0 and 1 (see Section 2.16.3).
The sprite-origin (X and Y) register has no effect on the crosshair cursor location.
Crosshair Cursor
In order to display the crosshair cursor, cursor-control register bit 2 must be enabled while CCR bit 3 is used
to set the desired color as shown in the following table:
CCR2
CCR3
CROSSHAIR COLOR
0
0
Crosshair not displayed
0
1
Crosshair not displayed
1
0
Cursor color 0
1
1
Cursor color 1
Cursor-control register bits 0 and 1 specify the crosshair cursor thickness (see Section 2.16.3).
The crosshair cursor is limited to being displayed within a window specified by the window-start (X and Y)
and window-stop (X and Y) registers. Since the cursor-position (X and Y) register must specify a point within
the window boundaries, it is the responsibility of the user software to ensure that the cursor-position (X and
Y) register does not specify a point outside the defined window. Refer to Figure 2–8, which shows the
relationship between the different window and cursor register specifying regions.
If a full-screen crosshair cursor is desired, the window-start (X and Y) registers should contain 0000 (hex)
and the window-stop (X and Y) registers should be set to the last pixel location on the active screen. For
the crosshair cursor to be displayed, the window-start and window-stop registers must contain locations on
the active screen. If one wishes to temporarily remove the crosshair cursor from the screen without disabling
the function, the window-start registers can be programmed with a location off the active screen.
相關(guān)PDF資料
PDF描述
TVP3010-135 Hardware Cursor, GAMMA Correction VIP(135MHz,高/寬光標(biāo)，伽馬校正，視頻接口調(diào)色板)
TVP3010-170 Hardware Cursor, GAMMA Correction VIP(170MHz,高/寬光標(biāo)，伽馬校正，視頻接口調(diào)色板)
TVP3010-85 Hardware Cursor, GAMMA Correction VIP(85MHz,高/寬光標(biāo)，伽馬校正，視頻接口調(diào)色板)
TVP3010C Video Interface Palette
TVP3010M Video Interface Palette
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TVP3010-110FN 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Video DAC with Color Palette (RAMDAC)
TVP3010-135FN 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Video DAC with Color Palette (RAMDAC)
TVP3010-135MGA 制造商:Rochester Electronics LLC 功能描述:- Bulk
TVP3010-135MGAB 制造商:Rochester Electronics LLC 功能描述:- Bulk
TVP3010-170FN 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Video DAC with Color Palette (RAMDAC)
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