基于PXA270的CAN总线接口的设计与实现  

Design and implementation of CAN bus interface based on PXA270

作　　者：郝大文 

机构地区：[1]江苏自动化研究所,江苏连云港222000

出　　处：《电子技术（上海）》2016年第4期65-67,共3页Electronic Technology

摘　　要：在工业现场环境中需要一种嵌入式智能CAN总线接口设备用于设备检测,随着ARM处理器的大量应用而使这种设计可以实现。本文介绍了基于ARMv5TE内核的Intel Xscale PXA270处理器性能特点、SPI接口工作原理、MCP2515 SPI接口CAN总线控制器的内部逻辑。设计了基于PXA270的CAN总线接口硬件电路,针对CAN总线接口的具体参数配置了CAN总线控制器中的相关寄存器,最后在嵌入式的WINCE操作系统中编写和加载了CAN总线接口的驱动程序,实现了基于PXA270的CAN总线接口的设计。An embedded smart CAN bus interface equipment used for equipment testing is needed in the industrial field environment,the large number of ARM processors applications leaving the design can be achieved.This paper introduces the features of intel xscale PXA270 processor performance based on Arm v5 TE kernel,the working principle of the SPI Interface,and the internal logic of Mcp2515 SPI Interface CAN bus controller.Designed a CAN bus hardware circuit based on PXA270,the registers of CAN bus controller is configured for the specific parameters of CAN bus interface,Preparation and loading of the CAN bus interface driver embedded WINCE operating system and achieved the CAN bus interface design based on PXA270.

关 键 词：嵌入式设备 ARM CAN WIN CE 

分 类 号：TP311.56[自动化与计算机技术—计算机软件与理论]