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NXP汽车无线电CD/MP3解决方案

2007-08-25 嵌入式在线收藏 | 打印

NXP完整的高度集成的汽车无线电收音机CD/MP3播放器子系统在汽车电子市场很有竞争力。

       这种高性价比和容易使用的系统解决方案降低了开发时间和成本,有助于迅速和方便地开发高端产品.该解决方案是基于NXP的TEF690x 单片汽车收音机IC和SAF784x CD / MP3 译码器,包括了所有的硬件和完整的收音机以及控制软件.控制软件解决了许多复杂的问题,包括自动对准的调谐器控制,RDS处理和CD处理,进一步降低了模块制造的复杂性。

      Stay competitive in the car audio market with our complete, highly integrated car radio CD / MP3 player sub-system. This cost effective and easy-to-use system solution reduces development time and cost, helping you create high quality end-products quickly and simply.
This integrated and cost-effective hardware and software reference solution lets manufacturers bring high-quality car audio systems to market fast. It provides a quick and easy path for product differentiation that is vital in the highly competitive after-sales market, and it also serves the needs of different regional markets and OEM customers. Easy-to-use and easy-to-configure, all a set maker needs to do is simply add their own ‘look-and-feel’. Based around NXP’ TEF690x single-chip car radio IC and SAF784x CD / MP3 decoder, the solution includes all additional hardware plus complete radio and control software. This software solves many complex issues including tuner control with automatic alignment, RDS handling and CD
      processing, further reducing overall complexity for the module maker. With all audio and radio processing handled by the new solution, only a low-cost microcontroller is required for user interface functions, keeping system costs to a minimum. With complete system functionality included, the new solution reduces the time and risks of bringing a new product to market.Yet it maintains complete flexibility allowing manufacturers to customize their products for different markets, performance levels and OEM customers. Set makers can also easily integrate their own user-interface front-ends to maintain their individual ‘look-and-feel’. Numerous CD loaders can be accommodated through minor modifications. To further simplify development, Philips supplies customers with a number of easy-to-use tools.These include a Performance Customization Tool, Automatic Alignment Tool and a CD verification tool. Customers also have access to an I2C command interface description and documentation for the user-interface controller (UIC) software. Full documentation for these tools as well as the system hardware and software is included.

     Key benefits

     Complete high quality car radio CD / MP3 system
     Low complexity / development effort for set makers
     Low Bill of Materials due to highest integration
     Inexpensive microcontroller can be used for User
     Interface Control (UIC)
      High flexibility to serve different markets /
     OEM customers
     Short time-to-market
      Background information

       Reducing your development effort for shorter times-to-market, this complete high quality car radio CD / MP3 system also keeps your bill of materials low due to high integration. The solution is based around the TEF690x single-chip car radio IC and SAA784x CD / MP3 decoder, and includes all additional hardware plus complete radio and control software.

       With all audio and radio processing handled by the new solution, only a low-cost microcontroller is required for user interface functions, keeping system costs to a minimum. The software helps reduce overall complexity by solving many complex issues including tuner control with automatic alignment, RDS handling and CD processing.

       Featuring complete system functionality, the new solution reduces the time and risks of bringing a new product to market. Yet it maintains complete flexibility allowing manufacturers to customize their products for different markets, performance levels and OEM customers. Set makers can easily integrate their own user-interface front-ends to maintain their individual look-and-feel and numerous CD loaders can be accommodated through minor modifications.

      To further simplify development, NXP supplies customers with a number of easy-to-use tools. These include a Performance Customization Tool, Automatic Alignment Tool and a CD verification tool. Customers also have access to an I2C command interface description and documentation for the UIC (User Interface Control) software. Full documentation for these tools as well as the system hardware and software is included.

系统方框图:

       主要特性:

      Production-ready car radio CD / MP3 sub-system

      Very high level of integration

      TEF690x single-chip analog tuner / audio processor

      SAF784x single-chip automotive CD IC with on-chip MP3 decoding

      TDA3681 multiple voltage regulator with power switch and ignition bufferel

       TDA8567 quad 25 W class B audio amplifier
       Full software bundle including
       FM and AM tuner control
       audio processing
      CD / MP3 control
      Optional features, included easily via hardware and/or software

       5- or 7-band equalizer (TEA6360)
        RDS follow-me with EON software
       enhanced shock protection
       Fully integrated CD-loader handling
       All silicon and software fully automotive qualified

       TEF690x 模拟汽车收音机IC
      Philips’ one-chip TEF690x car radio ICs combine FM/AM tuner, stereo decoder, weak signal processing, RDS/RBDS demodulator (optional) and audio processing. They also feature integrated variable bandwidth IF filter and automatic bandwidth control algorithm (PACS) which can be easily adapted via the I2C bus, thus offering high flexibility to the radio maker. Audio signal processing allows flexible source selection, volume, balance, fader and inaudible tuning mute. The devices can be controlled via the 400 kHz fast-mode I2C bus and include autonomous tuning functions for easy control without critical microcontroller timing.

        TEF690x 的主要特性:

      Single-chip car radio IC delivering state-of-the-art tuner performance
      FM / AM tuner
      PLL synthesizer
      Weak-signal handling
      Stereo decoder
      Full audio control
      Flexible source selection
      Optional RDS demodulator and possibility for external equalizer

      TEF690x方框图

      集成了MP3译码器的SAF784x CD 音频IC

      The SAF784x is a highly integrated, single-chip automotive CD audio decoder solution that improves system
      performance and lower overall costs. It incorporates on-chip MP3 decoding, digital servo, audio DAC, sample
      rate converter, pre-amp and laser driver. An integrated ARM7TDMI-S microprocessor handles all radio software as well as CD control enabling the use of low-cost microcontroller for user interface functions.

      主要特性:

      Single-chip CD audio decoder
      32-bit embedded ARM7 processor (80 MHz / 72 MIPS)
      On-chip MP3 decoding
      Audio DAC
      Digital servo
      Pre-amplifier
      Laser driver
      On-chip RAM and ROM with option for additional Flash memory
      External memory interface to enable Enhanced Shock Protection