利用Verilog HDL语言采用自顶向下的设计方法实现多功能数字钟。具有良好可读性、可移植性等特点,同时具有实时温度显示功能。通过Alteral Quartus II完成设计仿真,具有时、分、秒、温度显示,以及校对功能。系统主芯片采用EP3C25Q240C8,由时钟模块、控制模块、计时模块、温度模块、数据译码模块、显示模块组成。由按键输入进行数字钟的校时功能。 Multi-function digital clock with top-down design using Verilog HDL language. Has good readability, portability and other characteristics, at the same time with real-time temperature display. Design simulation with Alteral Quartus II, with hours, minutes, seconds, temperature display, and proofing functions. The main chip EP3C25Q240C8 system, the clock module, control module, timing module, temperature module, data decoding module, display module. By the key input for digital clock calibration function.