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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 view of the space occupation, high cost, poor security and single function of the traditional embedded Internet solution, the hardware structure of the embedded secure Web gateway system was designed. The main control module, CAN bus communication module, Intelligent circuit breaker CAN communication interface was designed. The design uses 32-bit ARM7TDMI network-specific processor, integrated Ethernet controller, providing high-performance, high reliability, low-cost hardware platform. Design of the hardware structure with reliability, stability and rationality, to ensure the operation of the entire Web gateway system quality.