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CAN FD

CAN协议扩展可提高数据吞吐量

应用和技术摘要

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2012年,博世推出了CAN FD(具有灵活数据速率的CAN),以克服传统CAN的比特率限制为1 Mbps,并将每个CAN帧的数据字节数从最多8个扩展到64个,从而缩小了经典CAN与其他协议之间的差距。这是通过修改CAN帧格式来实现的,其中比特率可以在CAN帧内切换到更快的值,并通过新的数据长度编码来实现。CAN FD标准化为ISO11898-1:2015。CAN-FD协议控制器也能够执行经典的CAN通信。

产品优势

  • 取决于应用程序,平均比特率高达2-4 Mbit / s
  • 数据字段最多64个字节

全面的AUTOSAR支持

用于CAN FD

Advantages of CAN FD error detection mechanisms

检测CAN FD错误机制的优势

Bit time requirements for CAN FD

CAN FD的位时间要求

Robustness of a CAN FD bus system

Robustness of a CAN FD bus system

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