课程设计要求设计并用FPGA实现一个数字频率计,功能：频率计。具有4位显示，能自动根据7位十进制计数的结果，自动选择有效数据的-Curriculum design to design and FPGA implementation of a digital frequency meter, function: frequency meter. With four shows that will automatically count 7 the results of the metric sys

利用硬件语言FPGA Verilog语言实现4位加法器的运算-Using FPGA hardware language Verilog language implementation and operation of four adder

出租车计费的硬件设计分为5个模块：1.车轮脉冲计数模块；2.里程计数模块；3.计费模块；4动态扫描模块；5译码模块-The taxi billing hardware design is divided into five modules: 1. The wheels pulse counting module 2. Mileage counting module 3. The billing module 4 dynamic scanning module 5 decoding mod