其中数据总线sda是一个双向引脚，用于输入或输出数据。
Which the data bus SDA is a bidirectional pin used for input or output data.
本文详细描述了它的特点、引脚功能、工作原理及其在应用中需要注意的问题，并给出了其通过I2C总线温度输入的数据采集系统电路。
The paper detailedly describes its features, pin functions, operation functions and what should be noticed in application, also it provides a data acquiring system with temperature input via I2C bus.
检测的水表数据通过单片机串行输入到CAN总线驱动器并经过总线驱动器、中继器实现信息的网络传输。
The measured data of water meter is input by micro-computer to CAN Bus-driver serially. And, through Bus-driver and carrier, network transmission of information is realized.
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