CAJ | 학술논문

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。
설계일충기우AT89C51단편궤실현적창답、표결여계시기,분별설계우선편마전로、쇄존기、역마전로병장삼새대적수입신호재현시기상수출;보경전로가통과공제전로화주지인개관계동;계시공능통과정시전로화역마전로장초맥충산생적신호실현。경과시험모의방진,표명본설계창답기구유반영쾌、공능다、실용성강적특점。
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.