| 基于AT89C51的智能抢答与表决计时器的设计与实现 |
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| 引用本文： | 王晓侃,苏全卫.基于AT89C51的智能抢答与表决计时器的设计与实现[J].电子设计工程,2012,20(8):7-9. |
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| 作者姓名： | 王晓侃 苏全卫 |
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| 作者单位： | 河南机电职业学院,河南郑州,451191 |
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| 基金项目： | 国家科技部中小企业创新基金，河南省自然科学基金项目，郑州市创新型科技人才队伍建设工程 |
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| 摘 要： | 设计一种基于AT89C51单片机实现的抢答、表决与计时器,分别设计优先编码电路、锁存器、译码电路并将参赛队的输入信号在显示器上输出;报警电路可通过控制电路和主持人开关启动;计时功能通过定时电路和译码电路将秒脉冲产生的信号实现。经过试验模拟仿真,表明本设计抢答器具有反映快、功能多、实用性强的特点。
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| 关 键 词： | AT89C51单片机 抢答 定时 报警 时序控制 |
Design and research intelligent answering and voter-timing machine based on AT89C51 MCU |
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| WANG Xiao-kan,SU Quan-wei.Design and research intelligent answering and voter-timing machine based on AT89C51 MCU[J].Electronic Design Engineering,2012,20(8):7-9. |
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| Authors: | WANG Xiao-kan SU Quan-wei |
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| Affiliation: | (Henan Mechanical and Electrical Vocational College,Zhengzhou 451191,China) |
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| Abstract: | Priority encoder circuit,the latch and the decoding circuit are designed respectively,in the same the input signal of participating team are separately diplayed on the monitor.The alarm circuit is started by the control circuit and the host switch,timing circuit and decoding circuit can generate second-pulse output signal to achieve timing function.After the experiment analog and simulation,the results shows that the answering has characteristics with quick,multi-functional and strong practical features. |
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| Keywords: | AT89C51 MCU answering timing alarm sequence control |
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