摘要
本文主要讨论了利用EDA技术设计滚动字幕的问题。首先分析了设计中所用到的相关产品的性能,绘出了总体设计框图及各部分的功能;其次是局部电路详细设计;最后对基于现场可编程门阵列(FPGA)的硬件电路、VHDL语言程序设计及调试方法进行了讨论。
This paper mainly discusses the design problem of rolling word screen with EDA technology.Firstly,the performance of related products used in the design is analyzed,and the overall design diagram and the functions of each part are drawn.Secondly,local circuit is detailed designed.Lastly,the hardware circuit,VHDL program design and debugging methods based on FPGA are discussed.
