基于TMS320F206的CAN现场总线的嵌入式网关设计  

Design of embedded gateway for CAN fieldbus based on TMS320F206

作　　者：宋相慧[1] 

机构地区：[1]广东广播电视大学,广州510091

出　　处：《信息技术》2011年第7期115-117,共3页Information Technology

摘　　要：设计了以微控制器TMS320F206为核心的连接现场总线和以太网的嵌入式网关,给出了嵌入式网关的硬件接口电路,并对主要芯片进行了介绍,阐述了硬件间的通信原理;并给出了RTL8019AS的数据收发、CAN控制器和CAN总线间的数据传输以及CAN和以太网间的数据通信原理及软件流程。现场网关解决了以太网和CAN总线之间的互联问题,使得CAN-Ethernet的互联降低成本,提高了性能。Embedded gateway based on TMS320F206 was designed for the core of the connection of Ethernet and fieldbus.This paper shows the hardware structure of embedded gateway and method for software and hardware circuit,introduces main chips and communication principle between hardwares,as well as shows the date exchange of RTL8019AS,date transport between CAN controller and CAN fieldbus,the flow and principle of CAN software and Ethernet software.Embedded gateway solves connection between CAN and Ethernet,decreases cost and increases ability of connection.

关 键 词：CAN 嵌入式网关 现场总线 

分 类 号：TP311[自动化与计算机技术—计算机软件与理论]