指令系统

Because of the wide use of MCS-51 Microcontroller and the important meaning of MCU core design,we study on MCS-51 reverse anatomization and Top-Down DesignThe goal of this article is to design a MCS-51 Microcontroller chip.

本论文的目的是设计MCS—51单片机芯片，主要工作和取得的成果如下：①对MCS—51单片机进行分析研究，包括MCS—51单片机工作原理、指令系统、时序分析、特征提取等。

On February 4, 1988, the New York Stock Exchange established safeguards which forbid the use of its electronic order system for program trading whenever the Dow-Jones Industrial Average increases or drops 50 points in a single day.

1988年2月4日，纽约股票交易所制定出安全措施，规定每当道琼斯工业股票指数在一天之中上升或下降50个百分点时，禁止使用该交易所的电子指令系统来进行程控交易。

A 32-bit floating-point reduced instruction set computer microprocessor with high-performance and low-power consumption has been successfully fabricated in 0.35m CMOS technology.

提出了低功耗架构、片上总线预选器等新的设计思想和改进的高阶布斯算法，利用0.35m CMOS工艺，研制成功一种低功耗、高性能32位浮点精简指令系统微处理器。

The development direction changed direction according to the four-wheeler, the domestic and international company changes direction organization to control to the four-wheeler currently main adoption of is a numeral control, this is owing to a lot of advantages of numerical control:the procedure turn a control, the controller carries on the processing of operation and numerical information according to the control regulation designed, mainly passing procedure to carry out, if change control regulation need to change software, but need not change the hardware structure of system: control the accuracy is high, in the emulation the control the system, the accuracy of the controller from the accuracy of the component but settle, numerical controller accuracy from word long decision;Stability good;The software replies to use, needing a hardware environment of using the homology realization in the emulation the system, the numerical controller is a procedure control, the sub- procedure mold piece which need to be designed and write to carry out its model, can immediately carry out several links of functions expediently.

目前各个厂家大多采用的是PLC、单片机应用于四轮转向控制器中，功能基本能够实现，相比较之下，信号处理能力较强的数字信号处理器各方面均性能优于以上三种处理器。DSP是新世纪数字化革命的核心。它是一种独特的微处理器，具有可编程性，且实时运行速度远远超过通用微处理器。强大的数据处理能力和高速的运行速度，是DSP最值得称道的两大特色。DSP芯片是一种特别适合进行数字信号处理的微处理器。它强调运算处理的实时性，因此除了具备普通微处理器所强调的高速运算和控制功能外，主要针对实时数字信号处理，在处理器结构、指令系统和数据流程上做了很大的改动。它具有灵活、精确、可靠性好、体积小、功耗低和易于大规模集成等优点。

Book on the ARM architecture, instruction system and development tools were introduced.

本书对ARM的体系结构，指令系统和开发工具作了全面介绍。

The task of this project is to design a hardware platform for radar video simulation and calculate the pulse-compression video signal of linear frequency modulation radar system.

在深入分析了线性调频脉冲压缩信号产生过程和特性的基础上，结合16位定点DSP——TMS320C5402的硬件结构和指令系统的特点，编写了定点DSP程序，并对程序的计算量和计算结果进行了分析，表明算法的速度和精度都可以满足系统的要求。

This was one inspiration for the RISC philosophy.

这就是简单指令系统的优点。

This thesis mainly discusses the design and implementation of the floating point unit in the embedded PowerPc603e microrpocessor.

本课题组设计的PowerPc603e芯片，指令系统与Motorola公司的PowerPc603e兼容，而微体系结构采用自主设计的技术路线。

Statistical method of static sentence frequency on the BASIC programming language is introduced in this paper. A C source program has been given. It has been proved that the program can run quickly and get precise statistical results.

设计、发展和改进指令系统是使计算机系统具有更强的功能、更高的性能和更好的性能价格比，以满足广泛的或专门的应用需要的一项重要工作。

Each piston fires at a different time, determined by the engine firing order.

每个活塞在不同的时间燃烧，这取决于发动机点火指令系统。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了