參數(shù)資料
型號(hào)： TVP6000C
廠(chǎng)商： Texas Instruments, Inc.
英文描述： NTSC/PAL Digital Video Encoder
中文描述： NTSC / PAL數(shù)字視頻編碼器
文件頁(yè)數(shù)： 18/57頁(yè)
文件大小： 268K
代理商： TVP6000C
2–6
Vertical and horizontal over-scan compensation ratios are independently controlled by two pairs of registers.
The VDTAH and VDTAL register pair define the vertical scaling ratio and the HDTAH and HDTAL register
pair define the horizontal scaling ratio. The scaling ratio equations are given in the register description
section. An over-scan compensation ratio up to 12.5% in both vertical and horizontal directions is supported.
When enabled, three modes of vertical scaling and two modes of horizontal scaling are provided for optimal
performance of the target application. For computer graphics and text intensive static images, mode 2
vertical scaling (VSC[1:0] = 2) should be used for maximum flicker reduction. For DVD playback, mode 3
(VSC[1:0] =3) should be used for sharpness. The nearest neighbor mode is provided only for comparison
and diagnostic purposes, and should not be used for normal applications.
Finally, the scaled image can be placed on the TV screen at a location defined by the VOFS and HOFS
registers. VOFS and HOFS define the location of the upper left corner of the output image. See the
definitions of the VOFS and HOFS registers for details.
Note that the SWPF bit is provided for test and diagnostic purposes. For normal applications, this bit must
be set to 0 at all times.
2.5
2.5.1
Programmable gain is first applied to the luminance data output from the data manger or scaling processor
depending on whether the TVP6000 is in regular or scan-conversion mode. The luminance gain is defined
by the GAIN_Y register at subaddresses 5F and 60. The horizontal sync, vertical sync, and setup insertion
are then performed. Both black level and blank level are programmable through the BLACK_LEVEL and
BLANK_LEVEL registers at subaddresses 5D and 5E, respectively.
Video Encoder
Luminance Encoding
All of the transition edges of the luminance signal such as the sync edges and active video edges are
properly shaped and filtered to limit the bandwidth within the standards.
2.5.2
After all of the necessary components of the luminance signal have been added, the resultant signal is
low-passed and interpolated to a 2x pixel rate. This 2x interpolation simplifies the external analog
reconstruction filter design and improves the signal-to-noise ratio. Refer to Figure 2–6 for the filter frequency
response.
Luminance Low-Pass and Interpolation Filter
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PDF描述
TVP6000CPFP NTSC/PAL Digital Video Encoder
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TVP6000CPFP 功能描述:接口—CODEC NTSC / PAL VIDEO ENCODER RoHS:否 制造商:Texas Instruments 類(lèi)型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類(lèi)型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
TVP7000 制造商:Texas Instruments 功能描述:Triple 8-bit Digitizer 150MSPS TVP7000
TVP7000EVM 功能描述:視頻 IC 開(kāi)發(fā)工具 TVP7000 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Boards 類(lèi)型:YPbPr to RGBHV Converters 工具用于評(píng)估:LMH1251 工作電源電壓:5 V
TVP7000PZP 功能描述:視頻模擬/數(shù)字化轉(zhuǎn)換器集成電路 Triple 8/10B 150/110 MSPS Video ADC RoHS:否 制造商:Texas Instruments 輸入信號(hào)類(lèi)型:Differential 轉(zhuǎn)換器數(shù)量:1 ADC 輸入端數(shù)量:4 轉(zhuǎn)換速率:3 Gbps 分辨率:8 bit 結(jié)構(gòu): 輸入電壓:3.3 V 接口類(lèi)型:SPI 信噪比: 電壓參考: 電源電壓-最大:3.45 V 電源電壓-最小:3.15 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TCSP-48 封裝:Reel
TVP7000PZPR 功能描述:視頻模擬/數(shù)字化轉(zhuǎn)換器集成電路 Tr 8/10B 150/110 MSPS Video ADC RoHS:否 制造商:Texas Instruments 輸入信號(hào)類(lèi)型:Differential 轉(zhuǎn)換器數(shù)量:1 ADC 輸入端數(shù)量:4 轉(zhuǎn)換速率:3 Gbps 分辨率:8 bit 結(jié)構(gòu): 輸入電壓:3.3 V 接口類(lèi)型:SPI 信噪比: 電壓參考: 電源電壓-最大:3.45 V 電源電壓-最小:3.15 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TCSP-48 封裝:Reel
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