单片机实验和课件ppt、期末考试试题 21.48MB
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单片机.zip 大约有20个文件 
单片机/
单片机/~$单片机.ppt 165B - 单片机/~$单片机实验.ppt 165B
- 单片机/~$单片机试题.doc 162B
- 单片机/单片机.docx 2.75MB
- 单片机/单片机.ppt 17.57MB
- 单片机/单片机实验.ppt 287.5KB
- 单片机/单片机期中上机考试.docx 329.61KB
- 单片机/单片机试题.doc 99.5KB
- 单片机/单片机试题2.doc 93.5KB
- 单片机/课件1/
- 单片机/课件1/第0章 计算机的基础知识.ppt 662KB
- 单片机/课件1/第1章 MCS-51单片机结构.ppt 816KB
- 单片机/课件1/第2章 51系列单片机的指令系统.ppt 1.37MB
- 单片机/课件1/第3章 MCS-51单片机汇编语音程序设计.ppt 742.5KB
- 单片机/课件1/第4章 并行接口P0～P3和单片机的中断系统.ppt 1.19MB
- 单片机/课件1/第5章 单片机的定时计数器与串行接口.ppt 1.28MB
- 单片机/课件1/第6章 单片机总线与存储器的扩展.ppt 1.12MB
- 单片机/课件1/第7章 单片机系统功能扩展.ppt 750.5KB
- 单片机/课件1/第8章 单片机典型外围接口技术.ppt 1.3MB
<link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/css/base.min.css" rel="stylesheet"/><link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/css/fancy.min.css" rel="stylesheet"/><link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/89619118/raw.css" rel="stylesheet"/><div id="sidebar" style="display: none"><div id="outline"></div></div><div class="pf w0 h0" data-page-no="1" id="pf1"><div class="pc pc1 w0 h0"><img alt="" class="bi x0 y0 w1 h1" src="/image.php?url=https://csdnimg.cn/release/download_crawler_static/89619118/bg1.jpg"/><div class="c x0 y1 w0 h2"><div class="t m0 x1 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0">计算机科学学院计算机科学与技术专业《单片机接口与技术》试卷<span class="_ _0"> </span><span class="ff2">A<span class="_"> </span></span>卷<span class="ff2"> <span class="_ _1"> </span></span>第<span class="_ _0"> </span><span class="ff2">1<span class="_"> </span></span>页（共<span class="_ _0"> </span><span class="ff2">6<span class="_"> </span></span>页）</div></div><div class="t m0 x2 h4 y3 ff3 fs1 fc0 sc0 ls0 ws0">四川师范大学计算机科学学院</div><div class="t m0 x3 h4 y4 ff4 fs1 fc0 sc0 ls0 ws0">2018-2019<span class="_ _2"> </span><span class="ff3">学年度第二学期期末考试</span></div><div class="t m0 x4 h4 y5 ff3 fs1 fc0 sc0 ls0 ws0">单片机接口与技术试卷<span class="ff4"> A<span class="_ _2"> </span></span>卷</div><div class="t m0 x5 h5 y6 ff5 fs2 fc0 sc1 ls0 ws0">答卷说明<span class="ff6 sc0">：<span class="ff7">1</span>、本试卷共<span class="_ _3"> </span><span class="ff7">6<span class="_ _3"> </span></span>页，<span class="ff7">4<span class="_ _4"> </span></span>个大题，满分<span class="_ _4"> </span><span class="ff7">100<span class="_ _3"> </span></span>分，<span class="ff7">120<span class="_ _4"> </span></span>分钟完卷。</span></div><div class="t m0 x6 h5 y7 ff7 fs2 fc0 sc0 ls0 ws0"> 2<span class="ff6">、本试卷为闭卷考试。</span></div><div class="t m0 x7 h5 y8 ff7 fs2 fc0 sc0 ls0 ws0"> 3.<span class="ff6">本试卷使用于<span class="_ _4"> </span></span>2017<span class="_ _3"> </span><span class="ff6">级<span class="_ _4"> </span></span>1,2<span class="_ _3"> </span><span class="ff6">班。</span></div><div class="c x8 y9 w2 h6"><div class="t m0 x9 h7 ya ff6 fs3 fc0 sc0 ls0 ws0">题号</div></div><div class="c xa y9 w3 h6"><div class="t m0 xb h7 ya ff6 fs3 fc0 sc0 ls0 ws0">一</div></div><div class="c xc y9 w3 h6"><div class="t m0 xb h7 ya ff6 fs3 fc0 sc0 ls0 ws0">二</div></div><div class="c xd y9 w4 h6"><div class="t m0 xe h7 ya ff6 fs3 fc0 sc0 ls0 ws0">三</div></div><div class="c xf y9 w3 h6"><div class="t m0 xb h7 ya ff6 fs3 fc0 sc0 ls0 ws0">四</div></div><div class="c x10 y9 w5 h6"><div class="t m0 x9 h7 ya ff6 fs3 fc0 sc0 ls0 ws0">总分</div></div><div class="c x11 y9 w6 h6"><div class="t m0 x12 h7 ya ff6 fs3 fc0 sc0 ls0 ws0">总分人</div></div><div class="c x8 yb w2 h8"><div class="t m0 x9 h7 yc ff6 fs3 fc0 sc0 ls0 ws0">分数</div></div><div class="t m0 x13 h7 yd ff6 fs3 fc0 sc0 ls0 ws0">一、填空题（每空<span class="_ _4"> </span><span class="ff7">2<span class="_ _0"> </span></span>分，共<span class="_ _4"> </span><span class="ff7">40<span class="_ _4"> </span></span>分。）</div><div class="t m0 x13 h9 ye ff2 fs3 fc0 sc0 ls0 ws0">1.<span class="ff1">定时和计数都是对</span> <span class="_ _5"> </span><span class="ff1">进行计数，定时与计数的区别是</span> <span class="_ _6"> </span><span class="ff1">。</span></div><div class="t m0 x13 h9 yf ff2 fs3 fc0 sc0 ls0 ws0">2.<span class="ff1">当</span></div><div class="c x14 y10 w7 ha"><div class="t m1 x15 hb y11 ff2 fs4 fc0 sc0 ls0 ws0">EA</div></div><div class="t m0 x8 h9 yf ff1 fs3 fc0 sc0 ls0 ws0">为<span class="ff8"> </span>电平时，<span class="ff8">CPU<span class="_ _4"> </span></span>总是从外部存储器中去指令。</div><div class="t m0 x13 h9 y12 ff2 fs3 fc0 sc0 ls0 ws0">3.<span class="ff8">C51<span class="_ _4"> </span><span class="ff1">的数据类型<span class="_ _0"> </span></span>sfr<span class="_ _4"> </span><span class="ff1">占</span> <span class="ff1">个字节，</span>C51<span class="_ _4"> </span><span class="ff1">中整型变量占<span class="ff9 sc1"> </span>个字节。</span></span></div><div class="t m0 x13 h9 y13 ff2 fs3 fc0 sc0 ls0 ws0">4.<span class="ff1">指令<span class="_ _4"> </span><span class="ff8">MOVX @R0</span>，<span class="ff8">A<span class="_ _0"> </span></span>中，源操作数的寻址方式是<span class="ff8"> <span class="ff9 sc1"> </span> </span>，目的操作数的寻址方式是<span class="ff8"> </span>，</span></div><div class="t m0 x16 h9 y14 ff1 fs3 fc0 sc0 ls0 ws0">一般用来地址传送的<span class="_ _4"> </span><span class="ff8">16<span class="_ _0"> </span></span>位寄存器是<span class="ff8"> </span>。</div><div class="t m0 x13 h9 y15 ff2 fs3 fc0 sc0 ls0 ws0">5.<span class="ff1">波特率倍增位位于特殊功能寄存器<span class="ff8"> </span>中。</span></div><div class="t m0 x13 h9 y16 ff2 fs3 fc0 sc0 ls0 ws0">6.<span class="ff8">8255A<span class="_ _4"> </span><span class="ff1">内部具有<span class="_ _0"> </span></span>3<span class="_ _4"> </span><span class="ff1">种工作方式的是</span> <span class="ff1">口。</span></span></div><div class="t m0 x13 h9 y17 ff2 fs3 fc0 sc0 ls0 ws0">7.<span class="ff8">EPROM<span class="_ _4"> </span><span class="ff1">存储器<span class="_ _7"> </span></span>27C256<span class="_ _7"> </span><span class="ff1">内部容量是<span class="_ _4"> </span></span>32K<span class="_ _7"> </span><span class="ff1">字节，<span class="_ _8"></span>若不考虑片选信号，<span class="_ _8"></span>则对其内部全部存储单</span></span></div><div class="t m0 x13 h9 y18 ff1 fs3 fc0 sc0 ls0 ws0">元进行寻址共需<span class="ff8"> </span>根地址线。</div><div class="t m0 x13 h9 y19 ff2 fs3 fc0 sc0 ls0 ws0">8.<span class="ff1">汇编指令中，对程序存储器的访问用<span class="ff8"> </span>指令来访问，外部<span class="_ _7"> </span><span class="ff8">RAM<span class="_ _7"> </span></span>用<span class="ff8"> </span>指令来</span></div><div class="t m0 x13 h9 y1a ff1 fs3 fc0 sc0 ls0 ws0">访问。</div><div class="t m0 x13 h7 y1b ff8 fs3 fc0 sc0 ls0 ws0">9.<span class="ff7">MCS-51<span class="_ _7"> </span><span class="ff1">单片机的<span class="_ _7"> </span></span>P0-P3<span class="_ _4"> </span><span class="ff1">口均是</span></span> <span class="ff1">（单</span>/<span class="ff1">双向）<span class="ff7">I/O<span class="_ _7"> </span></span>口，其中的<span class="_ _7"> </span><span class="ff7">P0<span class="_ _4"> </span></span>口和<span class="_ _7"> </span><span class="ff7">P2<span class="_ _7"> </span></span>口</span></div><div class="t m0 x13 h9 y1c ff1 fs3 fc0 sc0 ls0 ws0">除了可以进行数据的输入、输出外，通常还用来构建系统的<span class="ff8"> </span>和<span class="ff8"> </span>，</div><div class="t m0 x13 h7 y1d ff1 fs3 fc0 sc0 ls0 ws0">在<span class="_ _7"> </span><span class="ff7">P0-P3<span class="_ _7"> </span></span>口中，<span class="ff7"> <span class="ff8"> </span></span>为真正的双相口<span class="ff7">,<span class="ff8"> </span></span>口具有第二引脚功能。</div><div class="t m0 x13 h7 y1e ff7 fs3 fc0 sc0 ls0 ws0">10<span class="ff1">．定时器</span>/<span class="ff1">计数器的工作方式<span class="_ _7"> </span></span>3<span class="_ _7"> </span><span class="ff1">是指得将<span class="ff8"> </span>拆成两个独立的<span class="_ _4"> </span></span>8<span class="_ _7"> </span><span class="ff1">位计数器。而另</span></div><div class="t m0 x13 h7 y1f ff1 fs3 fc0 sc0 ls0 ws0">一个定时器<span class="ff7">/</span>计数器此时通常只可作为<span class="ff8"> </span>使用。</div><div class="t m0 x17 h7 y20 ff6 fs3 fc0 sc0 ls0 ws0">二、单项选择（每空<span class="_ _7"> </span><span class="ff7">2<span class="_ _7"> </span></span>分，共<span class="_ _4"> </span><span class="ff7">20<span class="_ _7"> </span></span>分）</div><div class="c x18 y21 w8 hc"><div class="t m0 x19 h7 y22 ff6 fs3 fc0 sc0 ls0 ws0">得分</div></div><div class="c x1a y21 w9 hc"><div class="t m0 x1b h7 y22 ff6 fs3 fc0 sc0 ls0 ws0">评卷人</div></div><div class="c x1c y23 w8 hc"><div class="t m0 x19 h7 y22 ff6 fs3 fc0 sc0 ls0 ws0">得分</div></div><div class="c x6 y23 w9 hc"><div class="t m0 x1b h7 y22 ff6 fs3 fc0 sc0 ls0 ws0">评卷人</div></div><div class="c x1c y24 w8 hc"><div class="t m0 xe h7 y22 ff7 fs3 fc0 sc0 ls0 ws0"> </div></div><div class="c x12 y25 wa hd"><div class="t m2 x1d he y26 ff2 fs2 fc0 sc0 ls0 ws0">__________________<span class="ff1">学院</span>__________<span class="ff1">级</span>___________<span class="ff1">班</span> <span class="_ _9"> </span><span class="ff1">姓名</span>_______________ <span class="_ _a"> </span><span class="ff1">学号</span>_______________</div><div class="t m2 x1e h9 y27 ff1 fs3 fc0 sc0 ls0 ws0">………………………………（密）………………………………（封）………………………………（线）………………………………</div><div class="t m2 x1f he y28 ff1 fs2 fc0 sc0 ls0 ws0">密<span class="ff2"> <span class="_ _b"> </span></span>封<span class="ff2"> <span class="_ _b"> </span></span>线<span class="ff2"> <span class="_ _c"> </span></span>内<span class="ff2"> <span class="_ _b"> </span></span>答<span class="ff2"> <span class="_ _d"> </span></span>题<span class="ff2"> <span class="_ _d"> </span></span>无<span class="ff2"> <span class="_ _d"> </span></span>效</div></div></div><div class="pi" data-data='{"ctm":[1.611830,0.000000,0.000000,1.611830,0.000000,0.000000]}'></div></div><div id="pf2" class="pf w0 h0" data-page-no="2"><div class="pc pc2 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="/image.php?url=https://csdnimg.cn/release/download_crawler_static/89619118/bg2.jpg"><div class="c x0 y1 w0 h2"><div class="t m0 x1 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0">计算机科学学院计算机科学与技术专业《单片机接口与技术》试卷<span class="_ _0"> </span><span class="ff2">A<span class="_"> </span></span>卷<span class="ff2"> <span class="_ _1"> </span></span>第<span class="_ _0"> </span><span class="ff2">2<span class="_"> </span></span>页（共<span class="_ _0"> </span><span class="ff2">6<span class="_"> </span></span>页）</div></div><div class="t m0 x20 h7 y29 ff2 fs3 fc0 sc0 ls0 ws0">1.<span class="ff7">MCS-51<span class="_ _7"> </span><span class="ff1">单片机复位操作的主要功能是把<span class="_ _7"> </span></span>PC<span class="_ _4"> </span><span class="ff1">初始化为</span>( )<span class="ff1">。</span></span></div><div class="t m0 x18 h7 y2a ff7 fs3 fc0 sc0 ls0 ws0">A.0100H B.2080H C.0000H D.8000H</div><div class="t m0 x20 h7 y2b ff7 fs3 fc0 sc0 ls0 ws0">2.<span class="_ _e"></span><span class="ff1">若单片机的振荡频率为<span class="_ _7"> </span></span>6MHz<span class="_ _e"></span><span class="ff1">，<span class="_ _f"></span>设定时器工作在方式<span class="_ _7"> </span><span class="ff7">1<span class="_ _4"> </span></span>需要定时<span class="_ _4"> </span><span class="ff7">1ms<span class="_ _e"></span></span>，则定时器初值应为</span></div><div class="t m0 x21 h7 y2c ff7 fs3 fc0 sc0 ls0 ws0">( )<span class="ff1">。</span></div><div class="t m0 x18 h7 y2d ff7 fs3 fc0 sc0 ls0 ws0">A.500 B.1000 C.2</div><div class="t m0 x22 hf y2e ff7 fs5 fc0 sc0 ls0 ws0">16</div><div class="t m0 x23 h7 y2d ff7 fs3 fc0 sc0 ls0 ws0">-500 D.2</div><div class="t m0 x24 hf y2e ff7 fs5 fc0 sc0 ls0 ws0">16</div><div class="t m0 x25 h7 y2d ff7 fs3 fc0 sc0 ls0 ws0">-1000</div><div class="t m0 x20 h7 y2f ff7 fs3 fc0 sc0 ls0 ws0">3.<span class="ff1">定时器<span class="_ _7"> </span></span>1<span class="_ _7"> </span><span class="ff1">工作在计数方式时，其外加的计数脉冲信号应连接到</span>( )<span class="ff1">引脚。</span></div><div class="t m0 x18 h7 y30 ff7 fs3 fc0 sc0 ls0 ws0">A.P3.2 B.P3.3 C.P3.4 D.P3.5</div><div class="t m0 x20 h7 y31 ff7 fs3 fc0 sc0 ls0 ws0">4.<span class="ff1">在串行通信中，</span> 89C51<span class="_ _7"> </span><span class="ff1">中发送和接收的寄存器是</span>( )<span class="ff1">。</span></div><div class="t m0 x18 h7 y32 ff7 fs3 fc0 sc0 ls0 ws0">A.TMOD B. SBUF C. SCON D. DPTR</div><div class="t m0 x20 h7 y33 ff7 fs3 fc0 sc0 ls0 ws0">5.MCS-51<span class="_ _7"> </span><span class="ff1">单片机在同一优先级的中断源同时申请中断时，</span>CPU<span class="_ _7"> </span><span class="ff1">首先响应</span>( )<span class="ff1">。</span></div><div class="t m0 x18 h7 y34 ff7 fs3 fc0 sc0 ls0 ws0">A.<span class="ff1">外部中断<span class="_ _7"> </span></span>0 B.<span class="ff1">外部中断<span class="_ _7"> </span></span>1</div><div class="t m0 x18 h7 y35 ff7 fs3 fc0 sc0 ls0 ws0">C.<span class="ff1">定时器<span class="_ _7"> </span></span>0<span class="_ _7"> </span><span class="ff1">中断</span> D.<span class="ff1">定时器<span class="_ _4"> </span></span>1<span class="_ _7"> </span><span class="ff1">中断</span></div><div class="t m0 x20 h7 y36 ff7 fs3 fc0 sc0 ls0 ws0">6.<span class="ff1">定时器若工作在循环定时或循环计数场合，应选用</span>( )<span class="ff1">。</span></div><div class="t m0 x18 h7 y37 ff7 fs3 fc0 sc0 ls0 ws0">A.<span class="ff1">工作方式<span class="_ _7"> </span></span>0 B.<span class="ff1">工作方式<span class="_ _7"> </span></span>1 C.<span class="ff1">工作方式<span class="_ _4"> </span></span>2 D.<span class="ff1">工作方式<span class="_ _7"> </span></span>3</div><div class="t m0 x20 h7 y38 ff7 fs3 fc0 sc0 ls0 ws0">7.MCS-51<span class="_ _7"> </span><span class="ff1">单片机的外部中断<span class="_ _7"> </span></span>1<span class="_ _4"> </span><span class="ff1">的中断请求标志是</span>( )<span class="ff1">。</span></div><div class="t m0 x18 h7 y39 ff7 fs3 fc0 sc0 ls0 ws0">A.ET1 B.TF1 C.IT1 D.IE1</div><div class="t m0 x20 h7 y3a ff7 fs3 fc0 sc0 ls0 ws0">8.<span class="ff1">下列标号中，正确的标号是</span>( )<span class="ff1">。</span></div><div class="t m0 x18 h7 y3b ff7 fs3 fc0 sc0 ls0 ws0">A.1BT<span class="ff1">：</span> B.BEGIN<span class="ff1">：</span> C.ADD<span class="ff1">：</span> D.STAB31<span class="ff1">：</span></div><div class="t m0 x20 h7 y3c ff7 fs3 fc0 sc0 ls0 ws0">9.<span class="ff1">以下四个指令中错误的是（</span> <span class="ff1">）</span></div><div class="t m0 x18 h7 y3d ff7 fs3 fc0 sc0 ls0 ws0">A.MOV @R1<span class="ff1">，</span>A B.DJZN A,LOOP C.CJNE R1,#4,LOOP D.MOVC @A+DPTR, A</div><div class="t m0 x20 h7 y3e ff7 fs3 fc0 sc0 ls0 ws0">10.<span class="ff1">要想把数字送入<span class="_ _7"> </span></span>DAC0832<span class="_ _7"> </span><span class="ff1">的输入缓冲器，其控制信号应满足</span>( )<span class="ff1">。</span></div><div class="t m0 x18 h7 y3f ff7 fs3 fc0 sc0 ls0 ws0">A.ILE=1,<span class="_ _10"> </span>=1,<span class="_ _11"> </span>=0<span class="_ _12"> </span>B.ILE=1, <span class="_ _10"> </span>=0, <span class="_ _11"> </span>=0</div><div class="t m0 x18 h7 y40 ff7 fs3 fc0 sc0 ls0 ws0">C.ILE=0, <span class="_ _10"> </span>=1, <span class="_ _11"> </span>=0<span class="_ _13"> </span>D.ILE=0,<span class="_ _10"> </span>=0, <span class="_ _11"> </span>=0</div><div class="t m0 x20 h7 y41 ff6 fs3 fc0 sc0 ls0 ws0">三、程序分析题<span class="ff7">(</span>每题<span class="_ _7"> </span><span class="ff7">10<span class="_ _7"> </span></span>分，共<span class="_ _4"> </span><span class="ff7">20<span class="_ _7"> </span></span>分<span class="ff7">)<span class="ff2"> </span></span></div><div class="c x26 y3f wb h10"><div class="t m3 x15 h11 y42 ff2 fs6 fc0 sc0 ls0 ws0">CS</div></div><div class="c x27 y43 wc h12"><div class="t m4 x15 h13 y44 ff2 fs7 fc0 sc0 ls0 ws0">WR</div><div class="t m4 x28 h14 y45 ff2 fs8 fc0 sc0 ls0 ws0">1</div></div><div class="c x29 y3f wb h10"><div class="t m3 x15 h11 y42 ff2 fs6 fc0 sc0 ls0 ws0">CS</div></div><div class="c x2a y43 wc h12"><div class="t m4 x15 h13 y44 ff2 fs7 fc0 sc0 ls0 ws0">WR</div><div class="t m4 x28 h14 y45 ff2 fs8 fc0 sc0 ls0 ws0">1</div></div><div class="c x2b y40 wb h10"><div class="t m3 x15 h11 y42 ff2 fs6 fc0 sc0 ls0 ws0">CS</div></div><div class="c x2c y46 wc h12"><div class="t m4 x15 h13 y44 ff2 fs7 fc0 sc0 ls0 ws0">WR</div><div class="t m4 x28 h14 y45 ff2 fs8 fc0 sc0 ls0 ws0">1</div></div><div class="c xf y40 wb h10"><div class="t m3 x15 h11 y42 ff2 fs6 fc0 sc0 ls0 ws0">CS</div></div><div class="c x2d y46 wc h12"><div class="t m4 x15 h13 y44 ff2 fs7 fc0 sc0 ls0 ws0">WR</div><div class="t m4 x28 h14 y45 ff2 fs8 fc0 sc0 ls0 ws0">1</div></div><div class="c x1c y47 w8 hc"><div class="t m0 x19 h7 y22 ff6 fs3 fc0 sc0 ls0 ws0">得分</div></div><div class="c x6 y47 w9 hc"><div class="t m0 x1b h7 y22 ff6 fs3 fc0 sc0 ls0 ws0">评卷人</div></div><div class="c x1c y48 w8 hc"><div class="t m0 xe h7 y22 ff7 fs3 fc0 sc0 ls0 ws0"> </div></div><div class="c x9 y49 wa h15"><div class="t m2 x1d he y4a ff2 fs2 fc0 sc0 ls0 ws0">__________________<span class="ff1">学院</span>__________<span class="ff1">级</span>___________<span class="ff1">班</span> <span class="_ _9"> </span><span class="ff1">姓名</span>_______________ <span class="_ _a"> </span><span class="ff1">学号</span>_______________</div><div class="t m2 x1e h9 y4b ff1 fs3 fc0 sc0 ls0 ws0">………………………………（密）………………………………（封）……………………………（线）………………………………</div><div class="t m2 x1f he y4c ff1 fs2 fc0 sc0 ls0 ws0">密<span class="ff2"> <span class="_ _b"> </span></span>封<span class="ff2"> <span class="_ _b"> </span></span>线<span class="ff2"> <span class="_ _c"> </span></span>内<span class="ff2"> <span class="_ _b"> </span></span>答<span class="ff2"> <span class="_ _d"> </span></span>题<span class="ff2"> <span class="_ _d"> </span></span>无<span class="ff2"> <span class="_ _d"> </span></span>效</div></div></div><div class="pi" data-data='{"ctm":[1.611830,0.000000,0.000000,1.611830,0.000000,0.000000]}'></div></div> 相关资源