PNX0101及其在便携式MP3播放器中的应用  

PNX0101 and its application in Portable MP3 Player

作　　者：岑海亮[1] 黄成军[1] 

机构地区：[1]上海交通大学电子信息与电气工程学院

出　　处：《微计算机信息》2006年第09Z期110-112,187,共4页Control & Automation

摘　　要：目前,便携式MP3播放器的发展十分迅速。用户对便携式MP3播放器的音质、体积、功耗等方面提出了越来越高的要求。Philips公司推出的32位ARM+DSP双核结构的PNX0101芯片因其一流的音质表现、更小的尺寸、更小的功耗等特点成为解码芯片领域的热点。本文介绍了PNX0101的结构和特点,分析了它具有竞争力的优异性能,并对基于PNX0101设计的便携式MP3播放器及其电源管理进行了讨论。Currently,the Portable MP3 Players are developing rapidly. Users bring up higher demands on tone quality .size,power consumption and so on. The dual core（32 bits ARM＋DSP） chip PNX0101 developed by the Philips company is very popular in the decoder field due to its top level tone quality,mini-size,lower power consumption. This paper introduces the structure and features, analyzes the competitive and outstanding performance and discusses the Portable MP5 Player based on the PNX0101 and its power management.

关 键 词：ARM7TDMI SOC PNX0101 MP3播放器 

分 类 号：TN409[电子电信—微电子学与固体电子学]