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參數(shù)資料
| 型號(hào)： | TVP5154APNPR |
| 廠商： | Texas Instruments |
| 文件頁數(shù)： | 12/93頁 |
| 文件大小： | 0K |
| 描述： | IC VIDEO DECODER 4CH 128-HTQFP |
| 產(chǎn)品培訓(xùn)模塊： | Data Converter Basics |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類型： | 視頻解碼器 |
| 應(yīng)用： | 安全系統(tǒng) |
| 電壓 - 電源，模擬： | 1.8V |
| 電壓 - 電源，數(shù)字： | 1.8V，3.3V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 128-TQFP 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 128-HTQFP（14x14） |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 產(chǎn)品目錄頁面： | 887 (CN2011-ZH PDF) |
| 配用： | TVP5154EVM-ND - TVP5154EVM 296-23058-ND - EVAL MODULE FOR DM642 |
| 其它名稱： | 296-23027-6 |
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SLES214C – DECEMBER 2007 – REVISED SEPTEMBER 2010
www.ti.com
available. All four channels of the TVP5154A are independently controllable. The decoders share one
crystal for all channels and for all supported standards. The TVP5154A can be programmed using a single
inter-integrated circuit (I2C) serial interface. The decoder uses a 1.8-V supply for its analog and digital
supplies, and a 3.3-V supply for its I/O. The optimized architecture of the TVP5154A decoder allows for
low power consumption. The decoder consumes less than 720 mW of power in typical operation.
Each channel of the TVP5154A is an independent video decoder with a programmable polymorphic
scaler. Each channel converts baseband analog video into digital YCbCr 4:2:2 component video, which
can then be scaled down to any resolution to 1/256 vertical and 15-bit horizontal in 2-pixel decrements.
Composite and S-video inputs are supported. Each channel includes one 9-bit analog-to-digital converter
(ADC) with 2× sampling. Sampling is ITU-R BT.601 (27.0) MHz, generated from a single 14.31818-MHz
crystal or oscillator input) and is line locked. The output formats can be 8-bit 4:2:2 with discrete syncs or
8-bit ITU-R BT.656 with embedded synchronization.
The TVP5154A utilizes Texas Instruments patented technology for locking to weak, noisy, or unstable
signals. A real-time control (RTC) output is generated for each channel for synchronizing downstream
video encoders.
Complementary 4-line adaptive comb filtering is available per channel for both the luma and chroma data
paths to reduce both cross-luma and cross-chroma artifacts. A chroma trap filter also is available.
An improved fast lock mode can be used when the input video standard is known and the signals on the
switching channels are clean. Note, switching from snow and/or noisy channels to good channels takes
longer. In fast lock mode, video lock is achieved in three fields or less.
Video
characteristics,
including
hue,
contrast,
brightness,
saturation,
and
sharpness,
may
be
independently programmed for each channel using the industry standard I2C serial interface. The
TVP5154A generates synchronization, blanking, lock, and clock signals in addition to digital video outputs
for each channel. The TVP5154A includes methods for advanced vertical blanking interval (VBI) data
retrieval. The VBI data processor slices, parses, and performs error checking on teletext, closed caption,
and other data in several formats.
I2C commands can be sent to one or more decoder cores simultaneously, reducing the amount of I2C
activity necessary to configure each core. A register controls which decoder core receives I2C commands,
and can be configured such that all four decoders receive commands at the same time.
The main blocks for each of the channels of the TVP5154A decoder include:
Robust sync detector
ADC with analog processor
Y/C separation using 4-line adaptive comb filter
Independent, concurrent scaler outputs
Chrominance processor
Luminance processor
Video clock/timing processor and power-down control
I2C interface
VBI data processor
1.3
Applications
Security/Surveillance Digital Video Recorders/Servers and PCI Products
Automotive Infotainment Video Hub
Large-Format Video Wall Displays
Games Systems
2
Introduction
Copyright 2007–2010, Texas Instruments Incorporated
Product Folder Link(s): TVP5154A
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TVP5154EVM | 功能描述:視頻 IC 開發(fā)工具 TVP5154 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(píng)估:LMH1251 工作電源電壓:5 V |
| TVP5154PNP | 功能描述:視頻 IC 4Ch Lo Pwr PAL/NTSC/ SECAM Video Decoder 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 |
| TVP5154PNP | 制造商:Texas Instruments 功能描述:4-Channel Video Decoder |
| TVP5154PNPG4 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:4-CHANNEL LOW-POWER PAL/NTSC/SECAM VIDEO DECODER WITH INDEPENDENT SCALERS AND FAST LOCK |
| TVP5154PNPR | 功能描述:視頻 IC 4Ch Lo Pwr PAL/NTSC SECAM Video Decoder 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 |
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