參數(shù)資料
型號(hào)： TVP3030-250
廠商： Texas Instruments, Inc.
英文描述： Video Interface PALETTE Exract(1600×1200，24位真彩色視頻接口調(diào)色器)
中文描述： 視頻接口調(diào)色板Exract（1600 × 1200,24位真彩色視頻接口調(diào)色器）
文件頁(yè)數(shù)： 17/107頁(yè)
文件大小： 689K
代理商： TVP3030-250
2–1
2 Detailed Description
2.1
MPU Interface
A standard microprocessor interface is supported, giving the MPU direct access to the registers and
memories of the TVP3030. The processor interface is controlled via read and write strobes (RD, WR), four
register select terminals (RS3–RS0), and the D7–D0 data terminals. A software selectable 8/6 function is
used to select between an 8- or 6-bit-wide data path to the color palette RAM and is provided to maintain
VGA compatibility.
Table 2–1 lists the direct register map. These registers are addressed directly by the register select lines
RS0–RS3. Table 2–2 lists the indirect register map. The index for the indirect register map is loaded into
the index register (direct register: 0000). This register is also used to store the palette RAM write address
and cursor RAM write address. The indexed data register (direct register: 1010) is then used to read or write
the register pointed to in the indirect register map. The index does not post-increment following accesses
to the indirect map.
Table 2–1. Direct Register Map
RS3
RS2
RS1
RS0
REGISTER ADDRESSED BY MPU
R/W
DEFAULT (HEX)
0
0
0
0
Palette/Cursor RAM Write Address/
Index
R/W
XX
0
0
0
1
Palette RAM Data
R/W
XX
0
0
1
0
Pixel Read-Mask
R/W
FF
0
0
1
1
Palette/Cursor RAM Read Address
R/W
XX
0
1
0
0
Cursor/Overscan Color Write Address
R/W
XX
0
1
0
1
Cursor/Overscan Color Data
R/W
XX
0
1
1
0
Reserved
0
1
1
1
Cursor/Overscan Color Read Address
R/W
XX
1
0
0
0
Reserved
1
0
0
1
Direct Cursor Control
R/W
00
1
0
1
0
Indexed Data
R/W
XX
1
0
1
1
Cursor RAM Data
R/W
XX
1
1
0
0
Cursor-Position X LSB
R/W
XX
1
1
0
1
Cursor-Position X MSB
R/W
XX
1
1
1
0
Cursor-Position Y LSB
R/W
XX
1
1
1
1
Cursor-Position Y MSB
R/W
XX
相關(guān)PDF資料
PDF描述
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)
TVP3703-170 Video Interface PALETTE Exract(雙PLL，先進(jìn)的視頻接口調(diào)色器)
TVP3703-135 Video Interface PALETTE Exract(雙PLL，先進(jìn)的視頻接口調(diào)色器)
TVP3703FN VIDEO INTERFACE PALETTE TRUE-COLOR CMOS RAMDAC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TVP3030-250MEP 制造商:Rochester Electronics LLC 功能描述:- Bulk
TVP3033 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:Video Interface Palette
TVP3033-175 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:Video Interface Palette
TVP3033-175PPA 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Video DAC with Color Palette (RAMDAC)
TVP3033-220 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:Video Interface Palette
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