T OP I C S 推 广 产 品 话 题 引领行业的汽车音响LSI 车用数字调谐器系统 CD/调谐器/音响处理功能搭载于单个封装! SDRCDS500 (SANYO Digital Radio CD System 500) ▼芯片结构▼ LV25450PW 车用支持全球 AM/FM调谐器 前端LSI LC75045PE 车用音响信号处理之完整 数字调谐器 后端LSI 封装面积 节省空间 · 高音质 · 支持 WMA/MP3/AAC播放 · 模组开发设计效率 为市场要求作出极大贡献!! SDRCDS500 系统结构实例 LV25450PW Tuner Front End Tuner DSP 硅音响播放器 RDS USB Host LC87F1HC8SA USB USB存储 减少部件个数 LV75045PE CD DSP Audio DSP - MP3/WMA/AAC - EQ - Surround 功率放大器 LV47002 控制用辅助微控制器 DC-DC转换器 LV5749V SDRAM CD用马达驱动器 LA6242H CD机 EMI噪声对策 单封装 系统控制用微控制器 LC88FXX(16bit) LCD驱动器 LC758XX LCD Panel/Key http://semicon.cn.sanyo.com/ 三洋半导体公司 20090206-1/2 推广产品话题 前端LSI 车用数字调谐器系统 SDRCDS500 LV25450PW 特点 ◆ 支持World Wide AM/FM调谐器 ●支持FM:US,Euro,E-Euro,JPN,Weather Band ●支持AM:LW,MW,SW ◆ LV25450PW的控制可经由LC75045PE进行 ◆ FM MIX 搭载图像取消混频器 ◆ 电源电压:5V,8V 封装:64引较(0.5㎜间距) 后端LSI LC75045PE 特点 ◆ 实现模组基板之省空间化 ⇒CD/收音机/音响 处理功能搭载于单个封装 ◆ 实现收音机信号之高质量 模拟收音机 AM/FM FE 模拟处理 AM检波/ FM解调 AM/FM IF FM降噪 SDRCDS500 AM/FM FE IF AGC Amp FM 立体声解 码器 L R 数字处理 ADC AM检波/ FM解调 IF 处理 AM/FM 降噪 FM 立体声解 码器 L R 数字化 ●AM/FM检波处理之后,全部数字处理 ●搭载高精确度的数字消除噪声运算法则 提高接收精确度, 接收灵敏度 降低接收噪声(与传统产品相比較) ◆ 音响部分 · CD部分信号处理 ● ● ● ● 搭载音响处理运算法则(每一用户可定制) 各种压缩音频信号的解码处理(WMA,MP3,AAC) 生成各种警告声音功能(倒车时Sonar声,指示灯工作时滴答声,等) CD-DA/R/RW用RF信号处理,伺服处理,抗振控制,CD播放控制等 ◆ 控制的简单化(搭载控制用辅助微控制器) ◆ 电源电压:1.2V,3.3V,5V http://semicon.cn.sanyo.com/ 封装:256引较 (0.4㎜间距) 三洋半导体公司 20090206-2/2 T OP I C S Promotional Product Topics Digital Tuner System Chipset for Automotive Application All-In-One LSI for CD / Radio / Audio signal processing ! SDRCDS500 (SANYO Digital Radio CD System 500) T Chipset Composition T LV25450PW AM/FM Global Tuner Front-End LSI for automotive application LC75045PE Digital Tuner Back-End LSI of Audio / Radio / CD DSP Reduced PCB Area / High-Quality Sound / WMA/MP3 / AAC Playback Meets the market demand !! Example of SDRCDS500 System Configuration Reduced Peripheral Parts Reduced EMI Noise All-In-One Package www.semiconductor-sanyo.com/network 20090206 - 1/2 Promotional Product Topics Automotive Digital Tuner System SDRCDS500 Feature of LV25450PW (Tuner-Front-End LSI) AM / FM Global Tuner z FM: US, Euro, E-Euro, JPN, Weather Band z AM: LW, MW, SW Control command is transferred via LC75045PE FM MIX Image Cancel Mixer is implemented VDD: 5V,8V Package: 64pin (0.5mm pitch) Feature of LC75045PE (Back-End LSI) Reduced PCB area ⇒ CD-DSP / Radio tuning / Audio Signal Processor are integrated Higher in sound quality than analog radio processing ASP Analog Radio AM/FM FE AM / FM AM/FM IF Demodulator FM Noise Canceller FM Stereo Decoder SDRCDS500 AM/FM FE IF AGC Amp ADC L R DSP IF AM / FM Processor Demodulator AM/FM Noise Canceller FM Stereo Decoder L R Digital Processing z Digital signal processing after AM/FM demodulation Improves reception sensitivity z High-precision digital noise reduction algorithm Reduces radio noise Audio-DSP / CD-DSP z Compliant to various audio processing algorithms (customizable) z Playbacks compressed audio signal formats (WMA, MP3, AAC) z Warning sound generator is implemented (Sonar sound, Click sound, etc) z CD Functions (RF Signal processor for CD-DA/R/RW, CD-Servo, Anti-shock, etc) Simplified system control (sub-microcontroller is included) VDD: 1.2V, 3.3V, 5V Package: 256 pin (0.4mm pitch) www.semiconductor-sanyo.com/network 20090206 - 2/2