CAN 总线技术白皮书关键词:非破坏性总线, , ,总线仲裁,位流编码,位填充,单元状态摘要:本文 CAN 总线工作原理、协议规范与帧格式等细节。缩略语: 缩略语 CAN RTR SRR IDE DLC DEL CRC SOF EOF REC TEC IAR IMR ACR AMR SJW MSB LSB 英文全名 Control er work Remote Transmission Request Substitute Remote Request Identifier Extension Data Length Code Delimiter Cyclic Redundancy Check Start Of Frame End Of Frame Receiver Error Counter Transmit Error Counter Identifier Acceptance Register Identifier Mask Register Acceptance Code Register Acceptance Mask Register Synchronization Jump Width Most Significant Bit Least Significant Bit 中文解释控制器局域网络远程发送请求替代远程请求身份标示符扩展数据长度代码界定符循环冗余检验帧起始帧结束接收错误计数器发送错误计数器标识符验收寄存器标识符屏蔽寄存器验收代码寄存器验收屏蔽寄存器同步跳转宽度最高有效位最低有效位目录 1. 概述............................................................................................................... 1 技术优点..................................................................................................... 1 2. CAN 总线介绍................................................................................................................. 2 CAN 总线协议........................................................................................................... 2 CAN 总线物理特性...................................................................................... 3 CAN 总线帧格式及帧类型.......................................................................... 4 CAN 总线帧格式................................................................................... 4 CAN 总线帧类型................................................................................... 4 相关术语.................................................................................................... 7 CAN 总线仲裁机制............................................................................... 7 DLC ........................................................................................................... 8 帧间空间............................................................................................. 8
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