7段LED显示译码器的设计 采用文本输入设计方法，通过编写VHDL语言程序，完成7段LED显示译码器的设计并进行时序仿真。

2、　　设计完成后生成一个元件，以供更高层次的设计调用。

-7-segment LED display decoder design using text input design method, by writing VHDL language program, complete the seven-segment LED display decoder design and timing simulation. 2, the design is completed to generate a component to call for a higher level of design.