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參數(shù)資料
| 型號： | TVP3025-175 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Video Interface PALETTE(三PLL，視頻接口調(diào)色器) |
| 中文描述： | 視頻接口盒（三鎖相環(huán)，視頻接口調(diào)色器） |
| 文件頁數(shù)： | 34/99頁 |
| 文件大小： | 663K |
| 代理商： | TVP3025-175 |
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2–20
Submode 3 uses four bit planes to address the color palette. The four bits are fed into the low-order address
bits of the palette with the four high-order address bits being defined by the palette-page register. This mode
provides 16 pages of 16 colors and can be used at multiplex ratios of /1 to /16.
Submode 4 uses eight bit planes to address the color palette. Since all eight bits of palette address are
specified from the pixel port, the palette-page register is not used. This mode allows dot clock-to-LCLK ratios
of 1:1 (8-bit bus), 2:1 (16-bit bus), 4:1 (32-bit bus) or 8:1 (64-bit bus).
NOTE:
The auxiliary window, port select, and color-key switching functions must be
disabled and set for palette graphics when in the pseudo-color mode. This is the
default condition at reset. See Section 2.3.10.
2.3.8.4
In direct-color mode, 24, 16, 15, or 12 bits of data can be transferred directly to the RGB DACs but with the
same amount of pipeline delay as the overlay data and the control signals (blank and SYNCs). Depending
on which direct-color mode is selected, overlay is provided by utilizing the remaining bits of the pixel bus
to address the palette RAM. This results in a 24-bit RAM output that is then used as overlay information to
the DACs. The overlay capability is designed to work with the auxiliary window, port select, and color-key
switching functions to provide overlay in specific windows or on a pixel-by-pixel basis on the direct-color
display as discussed in Section 2.3.10. See Tables 2–8, 2–10, and 2–11 for more details on selecting the
direct-color modes.
Direct-Color Mode
Submode 1 is the 24-bit direct-color mode that uses eight bits to represent each color and eight bits for
overlay. The 64-bit-wide pixel bus of the TVP3025 allows multiplex ratios of 1:1 or 2:1. In this mode, there
are basically two different configurations: either the 32-bit data is grouped as overlay, red, green, blue, or
blue, green, red, overlay.
Submode 2 is the XGA-compatible (5–6–5) 16-bit-color mode supporting five bits of red, six bits of green,
and five bits of blue data. The TVP3025 supports multiplex ratios for this mode of 1:1, 2:1, and 4:1. Overlay
is not available in this mode.
Submode 3 is the TARGA-compatible (5–5–5–1) mode that uses 15 bits for color and 1 bit for overlay. It
allows 5 bits for each of red, green, and blue data. The TVP3025 supports 1:1, 2:1, and 4:1 multiplexing
ratios in this mode.
Submode 4 is the (6–6–4) configuration. It provides six bits of red, six bits of green, and four bits of blue.
The TVP3025 also supports 1:1, 2:1, and 4:1 multiplexing in this mode. Overlay is not available in this mode.
Submode 5 is the (4–4–4–4) configuration. It provides 12 bits of direct color and 4 bits of overlay. It allows
four bits for each of red, green, and blue data. The TVP3025 supports 1:1, 2:1, and 4:1 multiplexing ratios
in this mode.
See NOTES in the following section.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TVP3030-175 | Video Interface PALETTE Exract(1600×1200，24位真彩色視頻接口調(diào)色器) |
| TVP3030-220 | Video Interface PALETTE Exract(1600×1200，24位真彩色視頻接口調(diào)色器) |
| TVP3030-250 | Video Interface PALETTE Exract(1600×1200，24位真彩色視頻接口調(diào)色器) |
| TVP3409-170 | Advanced Video Interface PALETTE(雙PLL，視頻接口調(diào)色器真彩色CMOS) |
| TVP3409-135 | Advanced Video Interface PALETTE(雙PLL，視頻接口調(diào)色器真彩色CMOS) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TVP3025-175PCE | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Video Interface Palette |
| TVP3025-220MDN | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Video Interface Palette |
| TVP3025-220PCE | 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) |
| TVP3026 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Video Interface Palette |
| TVP3026-135AMDN | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Video Interface Palette |
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