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随着信息技术的快速发展,ARM技术正以飞快的速度被应用到航天、电信、网络、智能家电、消费类电子等各个领域。S3C44B0X是Sansung公司一款基于ARM7TDMI核的微处理器,他内置了同步串行口(Synchronous I/O)模块,通过其SIO模块编程实现SPI接口协议,从而可以驱动Microchip公司的CAN控制器芯片MCP2510,实现CAN总线通讯,解决在以S3C44B0X为核心的嵌入式系统中如何利用CAN总线进行通信的问题,同时给出了相关硬件电路设计的说明以及软件编程实现的主要思想和关键流程。
With the rapid development of information technology, ARM technology is being rapidly applied to various fields such as aerospace, telecommunications, network, smart appliances and consumer electronics. S3C44B0X is a microprocessor based on ARM7TDMI core of Sansung Company. Built-in Synchronous I / O module, Sansung implements SPI interface protocol through its SIO module programming, which can drive Microchip’s CAN controller chip MCP2510 , To achieve CAN bus communication, to solve the embedded system using S3C44B0X as the core of how to use the CAN bus to communicate the problem, at the same time gives the description of the hardware circuit design and software programming to achieve the main ideas and key processes.