A design of serial synchronous communication I2C bus

I2C总线是一种高性能芯片间串行同步传输总线，能方便地构成多机系统和外围器件扩展系统，而成为芯片产品一种中不可缺少的工业标准模块。自主研发I2C总线可降低购买I2C总线IP核带来的产品附加成本，并可有效地解决I2C总线IP核与芯片内部的匹配连接，从而提高产品质量。 论文采用数字电路的设计方法进行了I2C总线设计、流片，并成功地应用于温度传感器芯片中。本文主要的研究工作和研究成果如下： 1、针对I2C总线的核心构成和芯片产品的特点，将I2C总线的性能解析为启动/停止检测模块、时序控制模块、串-并转换模块和接口模块，以此给定了总体的设计方案。 2、用VerilogHDL设计I2C总线电路，改...I2C bus is a high efficiency serial synchronous communication bus line between chips. It can construct the multi-devices and peripheral equipments’ patulous system expediently. Because of the reasons above, it has become an indispensable industrial standard cell. The exploitation of I2C bus can reduce the additional cost caused by purchasing the I2C IP core and it can solve the communication match...学位：工学硕士院系专业：物理与机电工程学院机电工程系_精密仪器及机械学号：20042900

A Flux Control System Based on Single Chip

介绍一种以PIC16F876为核心的流量控制系统,通过单片机与计算机通讯,实现远距离的自动控制,控制系统经使用效果良好。文章给出了系统设计原理、单片机程序流程图和硬件电路。This paper presents a flux control system based on the single chip PIC16F876.The system realizes the long distance auto control by the communication between single chip and computer.The result has been proved to be good.The design principle of the system,flow chart of single chip and the related circuits are introduced in detail

The Examination Of So_4~(2-) In The Water Sample Of Oil Field By Potential Titration

阐述了电位滴定法检测油田水样中的SO42-的原理、实验条件及操作步骤,分析了操作过程中影响准确性的因素,并且根据实验需要设计了一个高阻抗放大器电路,可测试的最低浓度达到1mg/l左右。Expatiate the theory, experiment condition and operation process that examine SO42 in the water sample of oil field by potential titration. Analyze the factor that will affect the veracity in operation process. Design a high-impedance amplifier based on the demand of experiment. The lowest concentration that can be examined is about 1mg/l

The Principle And Applications Of ADXRS Angular Rate Sensing Gyroscope

介绍ADXRS角速度检测陀螺仪的原理和电路结构,具体描述该陀螺仪外围电路的连接方法。为了使用ADXRS角速度陀螺仪测量角度,设计一种对角速度积分的方法,实现对角度的测量。阐述实验过程中硬件和软件的设计过程。实验结果表明:该实验方法能较准确的测量物体旋转的角度。The principle and the block diagram of ADXRS angular rate sensing gyroscope are introduced, and the external circuit of this gyro is described in detail. In order to measure angle with ADXRS gyroscope, a method of angular rate integral is designed. The design of hardware and software in this experiment is expatiated. The result reveals that this method of experiment can measure angle accurately