基于IIS总线的嵌入式音频系统的设计  

Design of embedded audio system Based on fieldbus IIS

作　　者：李文正[1] 

机构地区：[1]中国矿业大学信息与电气工程学院,江苏徐州221008

出　　处：《软件》2010年第12期55-60,共6页Software

摘　　要：本文介绍了基于IIS总线的嵌入式数字音频系统,实现了以Samsung S3C44B0 ARM7处理器为主控核心、以Philips UDA1341TS为编解码芯片的软硬件设计方案。硬件方面,实现了NORFlash,晶振电路,复位电路,串口电路,JTAG接口电路的设计,并建立了与UDA1341TS的连接;软件方面,UDA1341芯片提供放音和录音接口,可直接驱动耳机或其他音频设备,实现了音频信号的A/D、D/A转换、存储、回放等功能。该系统具有设计灵活、扩展性好和数据处理速度快等优点。In this paper, based on the IIS bus embedded digital audio system, a Samsung S3C44B0 ARM7 processor core for the host to Philips UDA 1341TS codec chip for hardware and software design. Hardware, the realization of the NOR Flash, crystal oscillator circuit, reset circuit, serial circuit, JTAG interface circuit and to establish connections with UDA 1341TS; Software, UDA 1341 release tone to provide audio chip interfaces directly drive headphones or other audio equipment, the realization of the audio signal A / D, D / A conversion, storage, playback and other functions.the system has the design flexibility, better scalability and data-processing speed, etc.

关 键 词：嵌入式系统 IIS总线 数字音频 

分 类 号：TP336[自动化与计算机技术—计算机系统结构]