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.
数据总线上的输入数据是否写入存储器，取决于此时的DM的输入逻辑。
Input data appearing on the data bus, is written to the memory array subject to the DM input logic level appearing coincident with the data.
采集系统包括模拟输入、A/D变换、数据缓存、数据DMA传输及PCI总线接口等电路。
The data acquisition system includes analog input, A/D conversion, data buffering, DMA transferring and PCI interface.
控制系统的保护电路通常监视数据总线(148)的数据输入，该数据输入可表示不利于离合器制动器启动的情况。
A protective circuit of the control system normally monitors data inputs from a data bus 148 that may indicate conditions that are not favorable for clutch brake actuation.
系统的硬件采样部分由数据采集模块(包括模拟量输入模块和数字量输入模块)构成，各模块间以RS- 485总线形式进行连接。
The hardware sampling unit of the monitor system is constituted by the data gathering module, including digital input module and analog input module, which are connected by the RS-485 main line form.
系统的硬件采样部分由数据采集模块(包括模拟量输入模块和数字量输入模块)构成，各模块间以RS- 485总线形式进行连接。
The hardware sampling unit of the monitor system is constituted by the data gathering module, including digital input module and analog input module, which are connected by the RS-485 main line form.
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