实验报告-表决器的设计与实现

实验名称组合逻辑电路的设计与实现Designandimplementationofthecombinationallogiccircuit实验时间实验地点A6-213实验人员（学号+姓名）项目内容1.设计全加器电路，实现二进制加法中一列的运算（6分）1.Designacircuitoffull-adder,implementingthebinaryadditionononecolumnofbitswithintwooperands.提示：Tips：在二进制加法每一列的运算中包含了3个输入，ai，bi和carryi，分别代表两个加数中的对应位，和前一列的进位值；该位加运算的输出也有两个，分别是进位结果carryi+1和加的结果sumi。Ateachcolumn,thereare3valuesthatmustbeadded:onebitfromeachofthetwooperandsandthecarryfromthepreviouscolumn.Wedesignthesethreebitsasai,biandcarryi.Andthereare2results,thesumbitsumiandthecarryovertothenextcolumn,carryi+1.要求：Demands:该电路的输入输出如下，请设计并实现逻辑电路部分，并通过multisim检验电路是否正确。Designthecircuitwiththeinputpartandtheoutputpartshownasfollows.Checkwhetherthecircuitcanworkwiththesoftwaremultisim.(Filecontainingcircuitoftheinputandoutputparthasbeensupplied.)Fig1CircuitofinputandoutputpartofFull-Adder2.设计加法器，实现4位二进制加法运算（4分）Designanaddingcircuitforaddingtwo4-bitbinarynumbers.提示：Tips：在任务1的基础上，通过对全加器的连接，实现1个4位二进制加法运算器。Wecangroundthistaskontaks1,byconnectingseveralfull-adders.该电路的输入用开关模拟，输出用灯泡模拟，如图2所示。设计并实现中间的逻辑电路部分，并使用multisim软件对电路进行仿真，验证电路是否正确。Switchesareusedtosimulatetheinputvalues,andlampsfortheresultandthecircuitofinputandoutputpartofthistaskisasshowninFig2.Thecombinationallogicdesignedbyyoushouldbeaddedtothecircuitsupplied.Cisthefinalcarry.Fig2CircuitofinputandoutputpartofAdder3.附加：发电机启动控制器（3分）Additional:Circuittocontrolthestartoftheelectronicpowergenerators某工厂有三个车间和一个自备电站，站内有两台发电机X和Y，Y的发电量是X的两倍，如果一个车间开工，只启动X就可以满足要求；两个车间开工，仅启动Y就可以满足要求；若三个车间同时开工，X和Y都应启动。设计电路控制Y的启停。Afactoryhas3workshopsand1powerstationowingtwoelectronicpowergeneratorsXandY.ThepowergenerationofYistwiceoftheX’s.Ifoneoftheworkshopsisonstream,onlyXneedstobestarted.Andiftwooftheworkshopsareonstream,onlyYneedstobestarted.Andifalloftheworkshopsstartoperation,bothXandYareneededtostart.Yourtaskistodesignthestart-controlcircuitoftheelectronicpowergenerators.项目实施（一）设计全加器电路，实现二进制加法中1bit的运算（6分）1.分析全加器的真值表如下：Truthtableofthefull-addershouldbeasfollows:输入Input输出outputaibicarryicarryi+1Sumi0000010100111001011101112.根据真值表计算逻辑表达式如下:Completetheflowinglogicalexpressionaccordingtothetruthtable.carryi+1=Sumi=3.根据逻辑表达式，设计并实现组合逻辑电路.Designthecombinationallogiccircuitaccordingtothelogicalexpression.4.使用软件multisim，打开文件“ForQ1-FullAdder.ms11”，并将设计好的组合电路添加到该电路中。最终电路如下图所示.Openthefilenamed“ForQ1-FullAdder.ms11”withthesoftwaremultisim,andaddyourcircuittoit.Usethecomponent“4072BD_5V”torepresentthe4-inputORgate,“4073BD_5V”tothe3-inputANDgate,and“4009BCL_5V”toNOTgate.Pasteyourfinalcircuithere.5.仿真执行该电路，检验组合逻辑设计是否合理。Runthesimulationofthecircuitandcheckwhetherthecircuityoudesignedissuitable.（二）设计加法器，实现4位二进制加法运算（4分）1.设计4位二进制加法运算的组合逻辑电路（该电路中应使用到全加器）Designthecircuitforaddingtwo4-bitbinarynumbers,usingthefull-addercircuitsyouhavejustdesigned.2.使用软件multisim，打开文件“ForQ2-4input-Adder.ms11”，并将设计好的组合电路添加到该电路中。如下图所示：Openthefilenamed“ForQ2-4input-Adder.ms11”withthesoftwaremultisim,andaddyourcircuittoit.Pasteyourfinalcircuithere.3.仿真执行该电路，将仿真结果添加到下面的表格中。Runthesimulationofthecircuitandfilltheresultsinthefollowingtable.输入input输出outputAdder1加数1Adder2加数2结果result0000000000000（三）附加：发电机启动控制器（3分）1.设计控制电路的组合逻辑Designthecombinationallogicforthecontrolcircuit.2.使用软件multisim，打开文件“ForQ3-generator-controler.ms11”，并将设计好的组合电路添加到该电路中。如下图所示：Openthefilenamed“ForQ3-generator-controler.ms11”withthesoftwaremultisim,andaddyourcircuittoit.Usethecomponent“4072BD_5V”torepresentthe4-inputORgate,“4073BD_5V”tothe3-inputANDgate,and“4009BCL_5V”toNOTgate.Pasteyourfinalcircuithere.3.仿真执行该电路，将仿真结果添加到下面的表格中。Runthesimulationofthecircuitandfilltheresultsinthefollowingtable.inputoutputABCXY000001010011100101110111项目结论Pleasemakeasummaryofwhatyouhavedone,andwritedownthecommonstepstodesignthecombinationallogiccircuit.