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參數(shù)資料
| 型號： | TVP5145 |
| 英文描述： | NTSC/PAL/SECAM/Component Digital Video Decoder With Macrovision(TM) Detection |
| 中文描述： | 的NTSC / PAL / SECAM制式/分量數(shù)字視頻解碼器通過Macrovision（TM）的檢測 |
| 文件頁數(shù)： | 9/92頁 |
| 文件大小： | 525K |
| 代理商： | TVP5145 |
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1
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1
1 Introduction
The TVP5145 device is a high-quality, single-chip digital video decoder that converts baseband analog NTSC, PAL,
and SECAM video into digital component video. Analog component, composite, and S-video inputs are supported.
The TVP5145 device includes two 10-bit oversampling A/D converters. Line-locked sampling is square-pixel or ITU-R
BT.601 (27 MHz). The output formats can be 20-/16-bit or 10-/8-bit 4:2:2, or 10-/8-bit ITU-R BT.656 with embedded
synchronization. The TVP5145 device utilizes Texas Instruments
’
patented technology for locking to weak, noisy, or
unstable signals, and a chroma frequency control output is generated for synchronizing downstream video encoders.
Complementary three-line or four-line adaptive comb filtering is available for both the luma and chroma data paths
to reduce both cross-luma and cross-chroma artifacts; a chroma trap filter is also available. Video characteristics
including brightness, hue, contrast, and saturation may be programmed using one of four supported host port
interfaces: I
2
C and three parallel host interfaces (PHI). The TVP5145 device generates synchronization, blanking,
field, lock, and clock signals in addition to digital video outputs.
The TVP5145 device includes methods for advanced vertical blanking interval (VBI) data retrieval. The VBI data
processor (VDP) slices, parses, and performs error checking on teletext, closed caption, and other data in several
formats. A built-in FIFO stores up to 11 lines of teletext data, and with proper host port synchronization, full-screen
teletext retrieval is possible. The TVP5145 device can pass through oversampled raw composite data for host-based
software VBI processing.
The TVP5145 device utilizes an internal ROM to contain the program code. Therefore, it does not require microcode
download to operate.
The TVP5145 device detects and decodes copy-protected input signals according to the Macrovision
standard.
The main blocks of the TVP5145 device include:
Dual A/D converters with analog processors
Y/C separation by 2D adaptive comb or chroma trap filter
Chrominance processor
Luminance processor
Component processor
Clock/timing processor and power-down control
Output formatter
Host port interface
VBI data processor
Macrovision
7.1 detection for composite, S-video, and component video
1.1
Features
Accepts NTSC (M, Japan, 4.43), PAL (B, D, G, H, I, M, N, Nc) and SECAM (B, D, G, K, K1, L) composite
video, S-video
Accepts analog component YPbPr video
Six analog video inputs for up to two component inputs or six composite inputs, or two S-video inputs and
two composite inputs
Two fully differential CMOS analog preprocessing channels with clamping and automatic gain control
(AGC) for best S/N performance
Dual high-speed oversampling 10-bit A/D converters
Patented architecture for locking to weak, noisy, or unstable signals
Macrovision is a trademark of Macrovision Corporation.
Other trademarks are the property of their respective owners.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TVP5145EVM | 制造商:Texas Instruments 功能描述:TVP5145EVM - Bulk |
| TVP5145PFP | 功能描述:視頻 IC NTSC/PAL/SECAM/ Comp Dig Vid Dec RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| TVP5146 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:NTSC/PAL / SECAM 4 X 10 BIT DIGITAL VIDEO DECODER WITH MACROVISION DETECTION YPBPR/RGB INPUTS 5 LINE COMB FILTER AND SCART SUPPORT |
| TVP5146_12 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:NTSC/PAL/SECAM 4x10-Bit Digital Video Decoder With Macrovision?￡a Detection, YPbPr/RGB Inputs, 5-Line Comb Filter, and SCART Support |
| TVP5146EVM | 功能描述:視頻 IC 開發(fā)工具 TVP5146 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Boards 類型:YPbPr to RGBHV Converters 工具用于評估:LMH1251 工作電源電壓:5 V |
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