24进制计数器课程设计

24进制计数器课程 设计 领导形象设计圆作业设计ao工艺污水处理厂设计附属工程施工组织设计清扫机器人结构设计 24进制计数器设计 系 别: 电子 工程 路基工程安全技术交底工程项目施工成本控制工程量增项单年度零星工程技术标正投影法基本原理 系 专 业: 应用电子 班 级: 学生姓名: 学 号: 指导教师: the three. Third, seriously implement the Central, provincial, municipal and County party Committee on the establishment of a sound work style construction views of the long-acting mechanism and on the implementation of the three Suns calls for further strengthening of education administration and supervision of party members and cadres, from the ... Accept supervision and earnestly grasp, balance, two promotion, important job himself, the Secretary of development, major issues personally. 5. strongly supports accountability discipline discipline. Administrative provisions on strict enforcement of party members and cadres to ask all the discipline inspection and supervision cadres in accordance with the iron itself must be a hard requirement, adhere to the responsibilities and play, earnestly fulfill their duties of supervision and accountability for Zhi JI. Zhen into full play and the oversight role of the Commission, establish and improve the village rules and community conventions, promoting joint public and serving the sunshine publicly available implementation of the platform for action. Discipline in handling cases, adhere to find along with scrutiny, to appoint the interference and resistance, backed by courageous, find the problem corrected, powerful maintenance the seriousness of responsibility of uncorrupted. Actively promote the discipline Committee detailed switch and, casting, tree-generating activities. Promote 设计流程图 查找资料 选定计数器 开始 设计计数核心软件仿真与电路及外围显总结 调试 示电路 Promote generating activities. -casting, treeand, erful maintenance the seriousness of responsibility of uncorrupted. Actively promote the discipline Committee detailed switcho find along with scrutiny, to appoint the interference and resistance, backed by courageous, find the problem corrected, powhere tublic and serving the sunshine publicly available implementation of the platform for action. Discipline in handling cases, adnd the oversight role of the Commission, establish and improve the village rules and community conventions, promoting joint pay athe responsibilities and play, earnestly fulfill their duties of supervision and accountability for Zhi JI. Zhen into full pl all the discipline inspection and supervision cadres in accordance with the iron itself must be a hard requirement, adhere to to asky supports accountability discipline discipline. Administrative provisions on strict enforcement of party members and cadres estly grasp, balance, two promotion, important job himself, the Secretary of development, major issues personally. 5. stronglsupervision of party members and cadres, from the ... Accept supervision and earnacting mechanism and on the implementation of the three Suns calls for further strengthening of education administration and -a sound work style construction views of the longthe three. Third, seriously implement the Central, provincial, municipal and County party Committee on the establishment of 2 目录 1、74LS290计数器、虚拟电子实验室相关 ............................................................................3 1.1、74LS290计数器介绍.............................3 1.2、MULTISIM介绍及基本操作 方法 快递客服问题件处理详细方法山木方法pdf计算方法pdf华与华方法下载八字理论方法下载 .........4 1.2.1、Multisim的主窗口界面。 .............4 1.2.2、菜单栏(这里只介绍需要使用的菜 ................................................................4 单) 1.2.3、工具栏 ...............................................6 2、电路设计 .....................................................7 2.1 计数器电路原理 ......................................7 2.2、电路仿真效果图试 ...............................8 3、元器件及仪器设备明细 ............................8 4、总结 ..............................................................9 5、参考文献 ...................................................10 6、致谢 ............................................................ 11 the three. Third, seriously implement the Central, provincial, municipal and County party Committee on the establishment of a sound work style construction views of the long-acting mechanism and on the implementation of the three Suns calls for further strengthening of education administration and supervision of party members and cadres, from the ... Accept supervision and earnestly grasp, balance, two promotion, important job himself, the Secretary of development, major issues personally. 5. strongly supports accountability discipline discipline. Administrative provisions on strict enforcement of party members and cadres to ask all the discipline inspection and supervision cadres in accordance with the iron itself must be a hard requirement, adhere to the responsibilities and play, earnestly fulfill their duties of supervision and accountability for Zhi JI. Zhen into full play and the oversight role of the Commission, establish and improve the village rules and community conventions, promoting joint public and serving the sunshine publicly available implementation of the platform for action. Discipline in handling cases, adhere to find along with scrutiny, to appoint the interference and resistance, backed by courageous, find the problem corrected, powerful maintenance the seriousness of responsibility of uncorrupted. Actively promote the discipline Committee detailed switch and, casting, tree-generating activities. Promote 前言 本24进制计数器实现24进制计数及自动清零功能，它主要由脉冲、10进制加法器74LS290、共阴极LED数码管等构成。通过找课外书,上网查找有关该设计方面的知识,自学Multisim10软件的操作,并进行防真实验,在28号到29查找资料学习计数器的知识，选出合适的芯片来设计电路，学习并使用虚拟电子实验室的基本用法。30号以后进 行电路的设计以及仿真调试。 erful maintenance the seriousness of responsibility of uncorrupted. Actively promote the discipline Committee detailed switcho find along with scrutiny, to appoint the interference and resistance, backed by courageous, find the problem corrected, powhere tublic and serving the sunshine publicly available implementation of the platform for action. Discipline in handling cases, adnd the oversight role of the Commission, establish and improve the village rules and community conventions, promoting joint pay athe responsibilities and play, earnestly fulfill their duties of supervision and accountability for Zhi JI. Zhen into full pl all the discipline inspection and supervision cadres in accordance with the iron itself must be a hard requirement, adhere to to asky supports accountability discipline discipline. Administrative provisions on strict enforcement of party members and cadres estly grasp, balance, two promotion, important job himself, the Secretary of development, major issues personally. 5. stronglsupervision of party members and cadres, from the ... Accept supervision and earnacting mechanism and on the implementation of the three Suns calls for further strengthening of education administration and -a sound work style construction views of the longthe three. Third, seriously implement the Central, provincial, municipal and County party Committee on the establishment of Promote generating activities. -casting, treeand, 2 1、74ls290计数器、虚拟电子实验室相关 1.1、74ls290计数器介绍 (1)74ls290的逻辑符号示意图: CP1、CP0是脉冲输入端，S9A\S9B、R0A\S0B、是置数控制端。Q0\Q1\Q2\Q3是输出端。 (2)74ls2290的逻辑功能: 74LS290是异步十进制计数器。它由一个一位二进制计数器和一个异步五进制计数器组成。如果计数脉冲由端CP0输入，输出由Q0端引出，即得二进制计数器;如果计数脉冲由CP1端输入，输出由Q1Q2Q3引出，即是五进制计数器;如果将Q0与CP相连，计数脉冲由CP0输入，输出由Q0Q1Q2Q3引出，即1 得8421码十进制计数器。因此，又称此电路为二-五-十进制计数 -vely promote the discipline Committee detailed switch and, casting, treebacked by courageous, find the problem corrected, powerful maintenance the seriousness of responsibility of uncorrupted. Actiance, platform for action. Discipline in handling cases, adhere to find along with scrutiny, to appoint the interference and resistge rules and community conventions, promoting joint public and serving the sunshine publicly available implementation of the villaision and accountability for Zhi JI. Zhen into full play and the oversight role of the Commission, establish and improve the the iron itself must be a hard requirement, adhere to the responsibilities and play, earnestly fulfill their duties of superv e withns on strict enforcement of party members and cadres to ask all the discipline inspection and supervision cadres in accordancy of development, major issues personally. 5. strongly supports accountability discipline discipline. Administrative provisiocretarembers and cadres, from the ... Accept supervision and earnestly grasp, balance, two promotion, important job himself, the Sen the implementation of the three Suns calls for further strengthening of education administration and supervision of party macting mechanism and o-sound work style construction views of the long the three. Third, seriously implement the Central, provincial, municipal and County party Committee on the establishment of aPromote generating activities. 3 器。当复位输入R0AR0B=1，且置位输入S9AS9B=0时，74LS290的输出被直接置零;只要置位输入S9AS9B=1，则74LS290的输出将被直接置9，即Q0Q1Q2Q3=1001;只有同时满足R0AR0B=0和S9AS9B=0时，才能在计数脉冲(下降沿)作用下实现二-五-十进制加法计数。 1.2、Multisim介绍及基本操作方法 1.2.1、Multisim的主窗口界面。 界面由多个区域构成:菜单栏，各种工具栏，电路输入窗口，状态条，列表框等。通过对各部分的操作可以实现电路图的输入、编辑，并根据需要对电路进行相应的观测和 分析 定性数据统计分析pdf销售业绩分析模板建筑结构震害分析销售进度分析表京东商城竞争战略分析 。用户可以通过菜单或工具栏改变主窗口的视图内容。 1.2.2、菜单栏(这里只介绍需要使用的菜单) 菜单栏位于界面的上方，通过菜单可以对Multisim的所有功能进行操作。 难看出菜单中有一些与大多数Windows平台上的应用软件一致的功能选项，如File，Edit，View，Options，Help。此外，还有一些EDA软件专用的选项，如Place，Simulation，Transfer以及Tool等。 1. File File菜单中包含了对文件和项目的基本操作命令。 Promote generating activities. -casting, treeand, erful maintenance the seriousness of responsibility of uncorrupted. Actively promote the discipline Committee detailed switcho find along with scrutiny, to appoint the interference and resistance, backed by courageous, find the problem corrected, powhere tublic and serving the sunshine publicly available implementation of the platform for action. Discipline in handling cases, adnd the oversight role of the Commission, establish and improve the village rules and community conventions, promoting joint pay athe responsibilities and play, earnestly fulfill their duties of supervision and accountability for Zhi JI. Zhen into full pl all the discipline inspection and supervision cadres in accordance with the iron itself must be a hard requirement, adhere to to asky supports accountability discipline discipline. Administrative provisions on strict enforcement of party members and cadres estly grasp, balance, two promotion, important job himself, the Secretary of development, major issues personally. 5. stronglsupervision of party members and cadres, from the ... Accept supervision and earnacting mechanism and on the implementation of the three Suns calls for further strengthening of education administration and -a sound work style construction views of the longthe three. Third, seriously implement the Central, provincial, municipal and County party Committee on the establishment of 4 命令 功能 New 建立新文件 Open 打开文件 Close 关闭当前文件 Save 保存 Save As 另存为 New Project 建立新项目 Open Project 打开项目 Save Project 保存当前项目 Close Project 关闭项目 Recent Files 最近编辑过的文件 Recent Project 最近编辑过的项目 Exit 退出Multisim 2(Place 通过Place命令输入电路图。 命令 功能 Place 放置元器件 Component Place Junction 放置连接点 Replace 重新选择元器件替代当前选中的元件 Component Place as 放置子电路 Subcircuit Replace by 重新选择子电路替代当前选中的子电 Subcircuit 路 3(Simulate 通过Simulate菜单执行仿真分析命令。 Promote generating activities. -vely promote the discipline Committee detailed switch and, casting, treebacked by courageous, find the problem corrected, powerful maintenance the seriousness of responsibility of uncorrupted. Actiance, platform for action. Discipline in handling cases, adhere to find along with scrutiny, to appoint the interference and resistge rules and community conventions, promoting joint public and serving the sunshine publicly available implementation of the villaision and accountability for Zhi JI. Zhen into full play and the oversight role of the Commission, establish and improve the the iron itself must be a hard requirement, adhere to the responsibilities and play, earnestly fulfill their duties of superv e withns on strict enforcement of party members and cadres to ask all the discipline inspection and supervision cadres in accordancy of development, major issues personally. 5. strongly supports accountability discipline discipline. Administrative provisiocretarembers and cadres, from the ... Accept supervision and earnestly grasp, balance, two promotion, important job himself, the Sen the implementation of the three Suns calls for further strengthening of education administration and supervision of party macting mechanism and o-sound work style construction views of the long the three. Third, seriously implement the Central, provincial, municipal and County party Committee on the establishment of a5 命令 功能 Run 执行仿真 Pause 暂停仿真 Analyses 选用各项分析功能 Postprocess 启用后处理 VHDL Simulation 进行VHDL仿真 Auto Fault Option 自动设置故障选项 Global Component 设置所有器件的误差 Tolerances 1.2.3、工具栏 Multisim 2001提供了多种工具栏，并以层次化的模式加以管理，用户可以通过View菜单中的选项方便地将顶层的工具栏打开或关闭，再通过顶层工具栏中的按钮来管理和控制下层的工具栏。通过工具栏，用户可以方便直接地使用软件的各项功能。 顶层的工具栏有:Standard工具栏、Design工具栏、Zoom工具栏，Simulation工具栏。 1(Standard工具栏包含了常见的文件操作和编辑操作。 2(Design工具栏作为设计工具栏是Multisim的核心工具栏，通过对该工作栏按钮的操作可以完成对电路从设计到分析的全部工作，其中的按钮可以直接开关下层的工具栏:Component中的Multisim Master工具栏，Instrument工具栏。 (1)作为元器件(Component)工具栏中的一项，可以在Design工具栏中通过按钮来开关Multisim Master工具栏。该工具栏有14个按钮，每个每一个按钮都对应一类元器件，其分类方式和Multisim元器件数据库中的分类相 Promote generating activities. -casting, treeand, erful maintenance the seriousness of responsibility of uncorrupted. Actively promote the discipline Committee detailed switcho find along with scrutiny, to appoint the interference and resistance, backed by courageous, find the problem corrected, powhere tublic and serving the sunshine publicly available implementation of the platform for action. Discipline in handling cases, adnd the oversight role of the Commission, establish and improve the village rules and community conventions, promoting joint pay athe responsibilities and play, earnestly fulfill their duties of supervision and accountability for Zhi JI. Zhen into full pl all the discipline inspection and supervision cadres in accordance with the iron itself must be a hard requirement, adhere to to asky supports accountability discipline discipline. Administrative provisions on strict enforcement of party members and cadres estly grasp, balance, two promotion, important job himself, the Secretary of development, major issues personally. 5. stronglsupervision of party members and cadres, from the ... Accept supervision and earnacting mechanism and on the implementation of the three Suns calls for further strengthening of education administration and -a sound work style construction views of the longthe three. Third, seriously implement the Central, provincial, municipal and County party Committee on the establishment of 6 对应，通过按钮上图标就可大致清楚该类元器件的类型。具体的内容可以从Multisim的在线文档中获取。 这个工具栏作为元器件的顶层工具栏，每一个按钮又可以开关下层的工具栏，下层工具栏是对该类元器件更细致的分类工具栏。以第一个按钮为例。通过这个按钮可以开关电源和信号源类的Sources工具栏如下图所示: (2)Instruments工具栏集中了Multisim为用户提供的所有虚拟仪器仪表，用户可以通过按钮选择自己需要的仪器对电路进行观测。 3(用户可以通过Zoom工具栏方便地调整所编辑电路的视图大小。 4(Simulation工具栏可以控制电路仿真的开始、结束和暂停。 2、电路设计 2.1 计数器电路原理 74ls290计数器采用异步方式，通过触发器的异步输入端来直接实现清零或置数，与CP信号无关。本设计采用2片十进制同步加法计数器74LS290、一片与非门、一片非门、两片数码管和脉冲构成。由外加送来的进位脉冲送入个位计数器，电路在进位脉冲的作用下按二进制自然序依次递增1，当计数到24时十位计数器只有QC端有输出，个位计数器只有QB端有输出，将十位的QC、个位的QB端接一个二输入与非门，与非门输出取反送 generating activities. -vely promote the discipline Committee detailed switch and, casting, treebacked by courageous, find the problem corrected, powerful maintenance the seriousness of responsibility of uncorrupted. Actiance, platform for action. Discipline in handling cases, adhere to find along with scrutiny, to appoint the interference and resistge rules and community conventions, promoting joint public and serving the sunshine publicly available implementation of the villaision and accountability for Zhi JI. Zhen into full play and the oversight role of the Commission, establish and improve the the iron itself must be a hard requirement, adhere to the responsibilities and play, earnestly fulfill their duties of superv e withns on strict enforcement of party members and cadres to ask all the discipline inspection and supervision cadres in accordancy of development, major issues personally. 5. strongly supports accountability discipline discipline. Administrative provisiocretarembers and cadres, from the ... Accept supervision and earnestly grasp, balance, two promotion, important job himself, the Sen the implementation of the three Suns calls for further strengthening of education administration and supervision of party macting mechanism and o-sound work style construction views of the long the three. Third, seriously implement the Central, provincial, municipal and County party Committee on the establishment of aPromote 7 入两片计数器的清零端将整个电路清零，完成24进制的计数。 由于只进行仿真，所以，在选择元器件的时候可以选择虚拟的数码管，这样，数码管即可省略译码驱动电路，直接由计数器驱动。 2.2、电路仿真效果图试 3、元器件及仪器设备明细 器材清单表 : generating activities. -casting, treeand, erful maintenance the seriousness of responsibility of uncorrupted. Actively promote the discipline Committee detailed switcho find along with scrutiny, to appoint the interference and resistance, backed by courageous, find the problem corrected, powhere tublic and serving the sunshine publicly available implementation of the platform for action. Discipline in handling cases, adnd the oversight role of the Commission, establish and improve the village rules and community conventions, promoting joint pay athe responsibilities and play, earnestly fulfill their duties of supervision and accountability for Zhi JI. Zhen into full pl all the discipline inspection and supervision cadres in accordance with the iron itself must be a hard requirement, adhere to to asky supports accountability discipline discipline. Administrative provisions on strict enforcement of party members and cadres estly grasp, balance, two promotion, important job himself, the Secretary of development, major issues personally. 5. stronglsupervision of party members and cadres, from the ... Accept supervision and earnacting mechanism and on the implementation of the three Suns calls for further strengthening of education administration and -a sound work style construction views of the longthe three. Third, seriously implement the Central, provincial, municipal and County party Committee on the establishment of Promote8 序号 名称 型号 参数 转速和进给参数表a氧化沟运行参数高温蒸汽处理医疗废物pid参数自整定算法口腔医院集中消毒供应 数量 1 计数器 74LS290 2 2 与非门 1 3 非门 1 4 数码管 2 5 导线 6 脉冲 1 4、总结 通过这次对计数器的设计与制作，让我了解了设计电路的程序，也让我了解了关于计数器的原理与设计理念。在此次的计 Promote generating activities. -vely promote the discipline Committee detailed switch and, casting, treebacked by courageous, find the problem corrected, powerful maintenance the seriousness of responsibility of uncorrupted. Actiance, platform for action. Discipline in handling cases, adhere to find along with scrutiny, to appoint the interference and resistge rules and community conventions, promoting joint public and serving the sunshine publicly available implementation of the villaision and accountability for Zhi JI. Zhen into full play and the oversight role of the Commission, establish and improve the the iron itself must be a hard requirement, adhere to the responsibilities and play, earnestly fulfill their duties of superv e withns on strict enforcement of party members and cadres to ask all the discipline inspection and supervision cadres in accordancy of development, major issues personally. 5. strongly supports accountability discipline discipline. Administrative provisiocretarembers and cadres, from the ... Accept supervision and earnestly grasp, balance, two promotion, important job himself, the Sen the implementation of the three Suns calls for further strengthening of education administration and supervision of party macting mechanism and o-sound work style construction views of the long the three. Third, seriously implement the Central, provincial, municipal and County party Committee on the establishment of a9 数器设计过程中,更进一步地熟悉了芯片的结构及掌握了各芯片的工作原理和其具体的使用方法. 对我们应用电子专业的学生来说，实际能力的培养至关重要，必须从课堂走向实践。这也是一次预演。通过本次课程设计，为毕业设计积累经验，从而更好的去完成毕业设计。 5、参考文献 [1]杨志忠主编:数字电子技术，第三版，高等教育出版社 ，2008年6月 ublic and serving the sunshine publicly available implementation of the platform for action. Discipline in handling cases, adnd the oversight role of the Commission, establish and improve the village rules and community conventions, promoting joint pay athe responsibilities and play, earnestly fulfill their duties of supervision and accountability for Zhi JI. Zhen into full pl all the discipline inspection and supervision cadres in accordance with the iron itself must be a hard requirement, adhere to to asky supports accountability discipline discipline. Administrative provisions on strict enforcement of party members and cadres estly grasp, balance, two promotion, important job himself, the Secretary of development, major issues personally. 5. stronglsupervision of party members and cadres, from the ... Accept supervision and earnacting mechanism and on the implementation of the three Suns calls for further strengthening of education administration and -a sound work style construction views of the longthe three. Third, seriously implement the Central, provincial, municipal and County party Committee on the establishment of Promote generating activities. -casting, treeand, erful maintenance the seriousness of responsibility of uncorrupted. Actively promote the discipline Committee detailed switcho find along with scrutiny, to appoint the interference and resistance, backed by courageous, find the problem corrected, powhere t10 6、致谢 本次课程设计主要由自己完成，在设计进行期间老师也付出了大量的时间和精力来帮助我。在这里我们要衷心地感谢我的老师，以及帮助我的同学们。 Promote generating activities. -vely promote the discipline Committee detailed switch and, casting, treebacked by courageous, find the problem corrected, powerful maintenance the seriousness of responsibility of uncorrupted. Actiance, platform for action. Discipline in handling cases, adhere to find along with scrutiny, to appoint the interference and resistge rules and community conventions, promoting joint public and serving the sunshine publicly available implementation of the villaision and accountability for Zhi JI. Zhen into full play and the oversight role of the Commission, establish and improve the the iron itself must be a hard requirement, adhere to the responsibilities and play, earnestly fulfill their duties of superv e withns on strict enforcement of party members and cadres to ask all the discipline inspection and supervision cadres in accordancy of development, major issues personally. 5. strongly supports accountability discipline discipline. Administrative provisiocretarembers and cadres, from the ... Accept supervision and earnestly grasp, balance, two promotion, important job himself, the Sen the implementation of the three Suns calls for further strengthening of education administration and supervision of party macting mechanism and o-sound work style construction views of the long the three. Third, seriously implement the Central, provincial, municipal and County party Committee on the establishment of a11 Promote generating activities. -casting, treeand, erful maintenance the seriousness of responsibility of uncorrupted. Actively promote the discipline Committee detailed switcho find along with scrutiny, to appoint the interference and resistance, backed by courageous, find the problem corrected, powhere tublic and serving the sunshine publicly available implementation of the platform for action. Discipline in handling cases, adnd the oversight role of the Commission, establish and improve the village rules and community conventions, promoting joint pay athe responsibilities and play, earnestly fulfill their duties of supervision and accountability for Zhi JI. Zhen into full pl all the discipline inspection and supervision cadres in accordance with the iron itself must be a hard requirement, adhere to to asky supports accountability discipline discipline. Administrative provisions on strict enforcement of party members and cadres estly grasp, balance, two promotion, important job himself, the Secretary of development, major issues personally. 5. stronglsupervision of party members and cadres, from the ... Accept supervision and earnacting mechanism and on the implementation of the three Suns calls for further strengthening of education administration and -a sound work style construction views of the longthe three. Third, seriously implement the Central, provincial, municipal and County party Committee on the establishment of 12