计算机组成原理 微程序控制器的设计如题 谢谢了
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http://202.205.160.94/wwwroot/xueke/uploadfilelunwen/2006102442014506.pdf 第2期高师理科学刊Vol.25 No.2 2005年 5月JournalofScienceofTeachers′CollegeUniversityMay 2005 收稿日期:2004-12-05 作者简介:赵硕(1974-),女,黑龙江齐齐哈尔人,讲师,在读硕士,从事计算机控制方面的研究. 文章编号:1007-9831(2005)02-0077-02 计算机组成原理课程的设计性实验 赵硕,杨欣宇 (齐齐哈尔大学计算机系,黑龙江齐齐哈尔161006) 摘要:在计算机组成原理课程中设置了设计性实验,这种教学方法使学生容易接受,更好地发挥了 学生的想象力,提高学生综合运用知识的能力,教学效果较好.. 关键词:计算机组成原理教学;教学实践;设计性实验 中图分类号:G434 文献标识码:A 培养学生学习的目标是使学生建构灵活的知识基础,发展高级思维能力,成为自主学习者.特别是使 学生能够充分理解课堂教学内容,把学到的知识运用于实践. 计算机组成原理课是计算机专业重要的专业基础课之一,从课程的地位看,它在先导课和后续课之间 起着承上启下的作用,这门课程教学具有知识面广,内容多,难度大,更新快等特点.为了充分体现学生的 主体作用,教师的主导作用,最大限度发挥学生自主学习的能力.在教学中应该使理论教学与实践教学更 好地结合.计算机组成原理课程内容中有许多理论性的知识,并且随着计算机技术的不断发展,老师所介 绍的理论知识也得跟上时代的步伐,给学生介绍能够反映新技术,新观点,新理论的内容.这门课程教学过 程中需要讲解许多原理图,为了给学生更直观的印象,使学生对计算机各大部件的工作原理,设计方法有 一个清楚地了解,我们设计了配套的硬件实验.硬件实验包括验证性实验和设计性实验.其中设置的一些 设计性实验,使学生有更多的想象空间,发挥空间,通过学生自己动手提高其综合运用知识的能力. 例 微程序控制器实验属于设计性试验,实验目的是了解微程序控制器的组成和工作原理,使学生能 够用二进制代码设计自己的微程序.下面是微程序控制器实验举例. 设某计算机运算器,其中ALU为16位的加法器(高电平工作),SA,SB为16位的锁存器.4个通用寄 存器由D触发器组成,Q端输出,其读,写控制功能见表1: 表1 读,写控制功能表 读控制写控制 RRA0RA1选择WWA0WA1选择 100R0100R0 101R1101R1 110R2110R2 111R3111R3 0××不读0××不写 出入 微指令字长12位,微指令格式如表2所示: 表2 微指令格式表 01234567891011 F1F2RWF3F4F5F6F7F8 1995-2006 Tsinghua Tongfang Optical Disc Co., Ltd. All rights reserved. F1:读R0到R3的选择控制 F2:写R0到R3的选择控制 R:寄存器读命令 W:寄存器写命令 F3:打入SA的控制信号 F4:打入SB的控制信号 F5:打开非反相三态门的控制信号L1 F6:打开反相三态门的控制信号L2并使加法器最低位加1 F7:清锁存器SB为零的Reset信号 F8:一段微程序结束,转入取机器指令的控制信号 实验要求:用二进制代码写出下面2条指令的微程序: "ADDR1,R3"指令,即(R1)+(R3)→R3 微程序如下:01××10100000 11××10010000 ××1101001001 把编好的微程序输入到微控制器,然后运行验证自己编写的微程序是否正确.通过这个实验培养学生 独立设计微指令的能力,并且有助于对机器指令和微指令关系的理解. 参考文献: [1]白中英.计算机组成原理[M].北京:科学出版社,2002. [2]赵伶俐.课堂教学技术与艺术[M].重庆:云南师范大学出版社,1993. [3]胡显章,曾国屏.科学技术概论[M].北京:高等教育出版社,1998. Designedexperimentofcomputerarchitecturecourse ZHAOShuo,YANGXin-yu (DepartmentofComputer,QiqiharUniversity,Qiqihar161006,China) Abstract:Designsomedesigedexperimentincomputerarchitecturecourse.Studentsacceptthismethodofde2 signedexperimenteasily.Incrasesthestudentsynthesizetheabilitythatmakeuseoftheknowledge,theteach2 ingefficientisbetter. Keywords:computerarchitectureteaching;teachingpractice;designedexperiment 87高师理科学刊第25卷 1995-2006 Tsinghua Tongfang Optical Disc Co., Ltd. All rights reserved.
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