基于fpga的多路抢答器 分为4路 有一路抢答后 其余按键将失灵 当主按键按下后 将正常运行-Fpga-based multi-channel Responder Responder is divided into four road all the way to rest after a failure when the main button to normal operation after the button is pressed

4人抢答，具有20秒倒计时报警清零机制，在线调试通过-Four Responder, with 20 seconds countdown alarm clearing mechanisms, online debugging