data input bus

基本解释

Which the data bus SDA is a bidirectional pin used for input or output data.
其中数据总线SDA 是一个双向引脚，用于输入或输出数据。
Evaluating host is composed of main control, data storage, 232 level conversion unit, power input and 485 bus interface.
评价主控机由主控、数据存储及232电平转换单元、电源输入部分及485总线接口单组成。
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.
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。
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