介绍can芯片,实现can总线转换功能,同时加深了解spi和can ,可以在arm9平台下工作-can introduce chips that can achieve bus conversion function, and a better understanding of spi can, arm9 platform can work

本文介绍SPI总线应用，并举例说明用SPI总线实现的相关方法与理论-This article describes the SPI bus applications, and illustrated the use of SPI bus of the relevant methods and theories

详细描述了主控制器和SD卡间用SPI总线相互握手机通信的表征和方法及SPI总线拓扑的信息。-Detailed descr iption of the host controller and SD card using the SPI bus between each grip characterization and mobile communications methods and SPI bus topology.