基于NiosⅡ的网络数字音频终端设计

A Design of Network digit audio terminal base on NiosⅡ

研究了一种基于SOPC技术的嵌入式网络数字音频终端的设计方案。该终端通过在FPGA芯片上配置NiosⅡ软核处理器和相关的接口模块实现其主要硬件电路,结合系统的软件设计控制音频解码芯片VS1003和音频信息的网络传输。该文详细介绍了其中的硬件设计、软件设计和网络传输等方面的内容。设计的产品具有较高的性能价格比,已进入了推广阶段。

This paper describes the design of embedded neteork digtital audio terminal based on SOPC technology.The main hardware circuit is implemented by the use of NiosⅡsoft core CPU and the corresponding interface module on FPGA chip.Audio decoding chip VS1003 and the Network transmission of audio information are controlled by the sofeware integrated into system.The hardware design,software design and network transsisson are well described in this paper.The designed system has a high performance price ratio,and it is in the promoting stage into market.