数字电路课程设计题目：病房呼叫系统的FPGA实现。实现了题目要求：支持呼叫记忆功能，有呼叫优先级，护士值班室可给予病房呼叫响应信号。-Digital Circuit Design Title: FPGA implementation of the ward call system. The subject of the request: support call memory function, call priority, nurse duty room can give the ward c

用两个按键分别控制占空比的频率和占空比 8中频率 和四种占空比可调 可自己叫消抖，上机可用-Two buttons control the duty cycle frequency and duty cycle 8 adjustable frequency and duty cycle of four kinds can call themselves debounced on board available