算术逻辑单元

本文所设计的运算模块实现了桶式移位器、算术逻辑单元以及32位乘法器，支持ARM指令集中所有算术运算和逻辑运算。

The executing module designed by this article implements barrel shifter , arithmetic and logic unit ( ALU ) and 32-bit multiplier and supports all the logical and arithmetic operations of ARM instruction set .

ALU（算术逻辑单元）是微处理器中最重要的部件之一，其速度、功耗和面积对微处理器性能具有决定性的影响。

ALU ( Arithmetic and Logic Unit ) is one of the most important units in the microprocessors , of which speed , power dissipation and area have decisive effect on the performances of the whole microprocessor .

基于FPGA的算术逻辑单元设计

Design of ALU Based on FPGA

第五章分析了DSP的架构，并对算术逻辑单元和乘/累加器进行了验证与综合，然后在乘/累加器性能比较的基础上证明了本方案中DSP的优越性。

Chapter 4 analyzed the architecture of the master processor and did the verification and synthesis work to its sub module .

运算器：运算器是数据加工处理部件，它是由算术逻辑单元（ALU）、累加器、数据缓冲器等组成。

Arithmetic unit : Arithmetic unit is a data processing unit that consists of arithmetic logic unit ( ALU ), accumulator , data buffer , ect .

片内集成有一个具有高度并行性的算术逻辑单元（ALU）、专有硬件逻辑、片内存储器和片内外设等几部分。

This processor provides an arithmetic logic unit ( ALU ) with a high degree of parallelism , application-specific hardware logic , on-chip memory , and additional on-chip peripherals .

SDUM08设计过程中，着重将降低功耗作为优先考虑的问题，对算术逻辑单元（ALU）进行了研究和优化，在不影响电路功能的前提下采用资源共享，节省系统资源，简化电路设计；

Taking the reduction of power consumption and resources of the chip into prior consideration , the research and optimization of ALU are emphasized without modifying the functions .

算术逻辑单元（ALU）是高性能数字信号处理器中的核心部件之一，其性能与功耗对整个数字信号处理器性能与功耗具有很大的影响。

Arithmetic and Logical Unit ( ALU ) is one of the most important components in high-performance digital signal processor , which speed and power consumption have great effect on the performance of entire digital signal processor .

从整体方面来说，整个微处理器大致分为BIU（总线接口单元）、IDU（指令译码单元）、ALU（算术逻辑单元）、MMU（存储管理单元）等等。

Integrally , the RISC CPU has BIU ( Bus Interfacing Unit ), IDU ( Instruction Decoding Unit ) - . ALU ( Arithmatic & logic Unit ), MMU ( Memory Management Unit ) etc.

最后作为上述理论的应用，运用HOL-4系统对硬件电路：带复位的奇偶校验器、CPU的重要组成部分算术逻辑单元设计正确性进行了形式化验证，给出了实验结果。

At last , we verify the designs of the parity checker with reset signal and the design of Arithmetic Logic Unit ( ALU ) which is the important part of CPU using HOL-4 system , and receive the experiment results .

数据通路中算术逻辑单元相关设计与探讨

Correlative designs and discussions of an ALU in a data path

算术逻辑单元，用来进行算术逻辑运算。

The arithmetic logic unit ( ALU ), which performs arithmetic and logical operations .

另外，精心设计了微控制器的核心部件算术逻辑单元。

Additionally , we exactly designed the central process department : Arithmetic Logic Unit .

在现代的电脑中，加法器存在于算术逻辑单元之中。

In the modern computer , the adder being present in the arithmetic logic unit .

与或结构算术逻辑单元的优化设计

Architecture Optimization of And-Or ALU

数字信号处理器包含了中央算术逻辑单元、乘法器单元、移位器单元、排序器单元、辅助寄存器单元、中断单元的设计。

The digit signal processor embodies the center arithmetic logic unit , Multiplier unit , Shifter unit , Sequencing unit , Auxiliary register unit , interception unit .

在这些较大的功能单元中又包含一些较小的功能单元，比如在算术逻辑单元中又包含了加法运算单元、乘除运算单元以及逻辑运算单元等。

While these bigger units also include some minor functional modules , for instance , the ALU comprises arithmatic operation unit , multiplication & division unit and logic operation unit .

另外，通过对算术逻辑单元进行优化设计，节省了系统的资源，减小了电路的寄生电容，从而达到了降低功耗的设计目标。

In addition , as the result of optimizing ALU , system resources are saved and parasitic capacitance is minimized , and the aim of reducing power consumption is achieved accordingly .

在中央算术逻辑单元中，完成加/减运算以及逻辑运算，在进位链中采用了选择进位链，对数据溢出采用了饱和处理的方法；

The center arithmetic logic unit is carrying out plus / sub calculation and logic operation , The carry being the selection carry link , adopting the saturated handle to cope with the data spills ;

设计了一个异步4位8操作码的算术逻辑单元，使用了双轨延时不敏感零协议逻辑结构，同时比较了使用流水线结构和非流水线结构以及相关的面积和速度优势。

In this paper , a number of4-bit , 8-operation arithmetic logic units ( ALUs ) are designed using the delay-insensitive NULL convention logic paradigm , and are characterized in terms of speed and area .

另一方面，计算机系统是基于逻辑门来实现的，在许多情况下，必须利用逻辑门在存储器与算术逻辑单元之间反复传递操作数。

On one hand , the computer system is based on the logic gates to implement its functions , in many cases , the operands passed repeatedly between the memory and the arithmetic logic unit must via the logic gates .

设计RISC51IPCore数据通路，重点是算术逻辑运算单元的实现。

Design the data path of the RISC 51 IP CORE . emphasis on the Arithmetic Logical Unit ; 3 .

算术逻辑运算单元（ALU）决定着中央处理器（CPU）的性能，而加法器又决定着ALU的性能。

The arithmetic logic unit ( ALU ) decides the performance of the Central Processing Unit ( CPU ), while the adder decides that of the ALU .

这些基本运算都可通过空间编码与解码的光学逻辑实现，从而提供了一种有效的光学算术－逻辑单元（ALU）设计方案。

The arithmetic is realized by logic operations and implemented by the spatial encoding technique , which offers an efficient design of optical arithmetic logic unit ( ALU ) .

中央处理器时间：在计算机的算术和逻辑单元里，处理一组指令所需要的实际计算时间。

CPU time : The actual computational time necessary to process a set of instructions in the arithmetic and logic units of the computer .

本实验系统能够让学生完成有关计算机组成原理的部件实验和整机实验：部件实验包括加法器、乘法器、除法器、算术逻辑运算单元、控制器、存储器等；整机实验可以独立实现各部件的功能描述。

This experimental system will enable the students to experiment on both individual components and the whole machine . The former include the adder , multiplier , divider , arithmetic logic unit , controller , memory and etc. ; the complete machine experiment can perform functions of each individual component .