For the purpose of data communication, the paper lodges the CAN interface circuit, and expatiates the programs of bus initialization, bus interrupt service routing, receiving and sending bus data.

在数据通信方面，提出了由总线控制器与报文收发器构成的CAN总线接口电路，并详细论述了与总线接口初始化、总线中断处理、总线数据收发相关的设计实现过程。

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