用Verilog开发，ISE平台打开，开发板采用Xlinx公司的N4开发板，该数字钟集计时、闹钟、整点报时、12 24进制切换等功能于一体(Developed by Verilog, the ISE platform is opened, and the development board is developed by Xlinx's N4 development board. The digital clock integrates functions such as timing, alarm clock, whole point timekeeping, 1224 digit switching and so on.)