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基于NiosⅡ处理器的USB接口设计 被引量:2

Design of USB Interface Based on Nios Ⅱ
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摘要 本文以NiosⅡ嵌入式软处理器为核心,利用USB控制芯片CH372,设计了基于NiosⅡ嵌入式软处理器的USB通信接口。本文重点介绍了USB接口的硬件实现方案,分析了CH372的通信流程,并编写了下位机和上位机PC的通信程序。与传统的嵌入式设计方案相比,该方案的整体性更好,具有很强的扩展性和灵活性,降低了软件的开发成本以及硬件实现风险。 An USB Interface based on the Nios II soft-core and the USB controller chip-CH372 was designed. The hardware design was provided in a detailed way and the communications flow was analysed. At the same time, the software was also given between the controller and the PC. Compared with the traditional project, This design has a strong expansibility and agility. It also reduces the cost that used to develop the software and the risk in the course of the hardware development.
出处 《微计算机信息》 北大核心 2008年第8期37-39,共3页 Control & Automation
基金 获中韩合作项目"Development of Embedded Soft-ware and System for Automobile Electronics" 重庆市科技攻关计划项目"面向汽车ABS嵌入式系统的专用开发平台及其应用"("CSTC2006AB2026")
关键词 NiosⅡ CH372 嵌入式处理器 可编程片上系统 Nios II CH372 Embedded processor System On Programmable Chip
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参考文献1

  • 1[美]ohnHyde著,孙耀国等.USB设计应用实例[M]中国铁道出版社,2003.

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