Secondly introduced the CAN bus communication interface design principles and methods.

其次介绍了CAN总线通信原理和CAN接口设计方法。

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In the section of hardware design, selection of the CAN bus communication interface card, design of CAN nodes and the signal acquisition system are introduced.

在其硬件设计中，着重介绍了CAN总线通讯接口卡的选择、CAN节点设计与信号采集系统设计。

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And then it puts forward study on the high speed switch valve, using GMM as valve's core, adopting DSP as controller and designing bus communication interface.

在此基础上提出了以超磁致伸缩材料为阀芯，以DSP为控制器，带有总线型接口的高速开关阀的研究课题。

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