嵌入式安全Web网关系统的硬件研究与设计  

Study and Design on Hardware of Security Web Gateway System

作　　者：韩立毛[1] 赵跃华[2] 杜云海[2] 

机构地区：[1]盐城工学院信息工程学院,江苏盐城224051 [2]江苏大学计算机科学与通信工程学院,江苏镇江212013

出　　处：《通信技术》2010年第3期153-155,158,共4页Communications Technology

摘　　要：针对传统嵌入式Internet方案占用空间大、成本高、安全性差、功能单一等不足,设计了嵌入式安全Web网关系统的硬件结构,分别对嵌入式Web网关系统的主控模块、CAN总线通信模块和智能断路器的CAN通信接口进行了设计。设计中采用32位ARM7TDMI网络专用处理器,内部集成以太网控制器,提供高性能、高可靠、低成本的硬件平台。设计的硬件结构具有可靠性、稳定性和合理性,保证了整个Web网关系统的运行质量。In accordance with to the deficiencies existing in the conventional embedded Internet,such as the large size,high cost,low security and weak function,hardware structure of the embedded security Web gateway system is designed.The designs of embedded Web gateway master control module,CAN bus line connection module and the intelligent circuit breaker＇s CAN communication interface of intelligent circuit breaker are also described in this paper.With adoption of 32-bit ARM7TDMI network special-purpose processor and the interal integration Ethernet controller in the design,the hardware platform of high performance,high reliable,and low cost is provided.The designed hardware structure is characterized by reliability,stability and rationality.Thus operation quality of the overall Web gateway system is guaranteed.

关 键 词：嵌入式系统 WEB网关 CAN总线 通信接口 模块 

分 类 号：TP273.5[自动化与计算机技术—检测技术与自动化装置]