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TV: LCD/Digital

TV: LCD/Digital is a digital television system that displays digital video on an LCD (Liquid Crystal Display)

Block Diagram


1394 PHY 3-Channel DAC 3-Channel Video Out AC/DC Adapter ADC ADC ADC Bluetooth Controller Boost / Inverter DC / DC Converters - LCD Drivers CCFL Backlight Converter - CCFL Backlight Unit Clock DC / DC Buck Controller - Analog / Digital I/O DC / DC Buck Converter - Main Supply DC / DC Controller - LED Supply DSP Dual Output LDO Gamma Correction Buffer HDMI/DVI IF Op-Amp IF Op-Amp IF Op-Amp IrDA LDO - Analog LDO - RF / Tuner Supply LVDS RX LVDS TX Op-Amp stereo line-in L Op-Amp stereo line-in R Op-Amp stereo line-out L Op-Amp stereo line-out R Speaker Amplifier Speaker Amplifier Stereo Audio Codec USB Video Amp Video Decoder

Design Considerations

Digital television (DTV) broadcasts and receives digitally in contrast to the analog signals used in traditional TV. DTV, which can be received in standard-definition or high-definition formats, uses digital modulation data, which is digitally compressed and requires decoding by a specially designed television set or a standard receiver with a set-top box. DTV s rapid growth in popularity is spurred by the high-definition video quality as well as the availability of a variety of new features/services including video on demand (VoD), gaming, security, PVR, interactive TV, merchandising and Web browser capabilities. Texas Instruments has a long history of providing expertise and superior products to video market. TI s comprehensive solutions cover the entire video chain,everything from the initial capture of video content to the final viewing experience. TI provides a variety of products for DTV designs including DLP®, LCD and plasma formats which offer superior image, audio quality and better reception over analog.

Core Subsystem include:

  • DSP - performs MPEG encoder/decoder, video, voice/AC3/MPEG audio processing.
  • RF Demodulation - performs COFDM/QAM/QPSK demodulation, Forward Error Correction (FEC) and video mux.
  • MCU - controls system electronic, network, and user interface.
  • Memory - stores executing code and data/parameters.
  • Video Interface - selects video source to be decoded/encoded by ADC/DAC and DSP.
  • Audio Interface - allows audio to be digitized by the audio codec and processed by DSP to provide high-quality audio for MPEG/AC3 requirements.
  • LCD Interface - parallel digital video is converted into serial data for transmitting to the TFT (Thin Film Transistor) controller via the LVDS (Low-Voltage Differential Signaling) transmitters and receivers. The LCD display is controlled by the CCFL (Cold-Cathode Fluorescent Lamp) backlight and the TFT gate/source drivers.
  • Power Conversion - converts the input power from the AC adaptor to run various functional blocks.
  • Digital Power Solutions

Application Notes

  • HDMI Transmitter/Receiver Support on TMS320DM6467 (spraav4.htm, 8 KB)
    05 May 2008 Abstract
    

Selection and Solution Guides

Selection Guides

  • Digital TV and Set Top Box Power Management Solutions (slub010.pdf, 999 KB)
    15 Feb 2006 Download

Tools and Software

Name Part # Company Software/Tool Type
TMS320C64x Image Library SPRC094 Texas Instruments Signal Processing Libraries

Product Bulletin & White Papers

White Papers

  • TVP9900 Brings Cost Savings to DigitalTV Designers White Paper (spry100.pdf, 983 KB)
    11 Apr 2007 Download
  • Reaping the Benefits of SoC Processors for Video Applications White Paper (spry096.pdf, 124 KB)
    28 Mar 2007 Download
  • HD Transcoding Connects Home Video Applications White Paper (spry097.pdf, 470 KB)
    20 Mar 2007 Download
  • BDTi Analysis of TI Digital Video Evaluation Module Whitepaper (spry095.pdf, 648 KB)
    12 Feb 2007 Download
  • Programming Details of Codec Engine for DaVinci Technology Whitepaper (spry091.pdf, 62 KB)
    17 Oct 2006 Download
  • The Challenges of Providing Interoperable Solutions in Today's IPTV Market (spry081.pdf, 273 KB)
    27 Apr 2006 Download
  • Driving IPTV Growth: The Challenges and Perspectives (sphy004.pdf, 134 KB)
    26 Sep 2005 Download

News Releases & Authored Articles

News Releases

Date Headline
29 Oct 2008 TI expands 1394 portfolio with industry's most secure content protection
25 Aug 2008 TI maximizes digital TV energy efficiency and minimizes system cost in time for 2009 rollover
04 Aug 2008 TI unveils next-generation 3-A DDR termination regulator
11 Mar 2008 TI introduces high-performance, dual-mode DisplayPort switches and HDMI/DVI level translators
12 Feb 2008 TI introduces tiny USB power management switches with adjustable current limit
08 Jan 2007 Texas Instruments Unveils Integrated HDTV Processor and Development Platform with Full HD Video Processing

Authored Articles

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