摘要
文章介绍了一种以TMS320VC5402DSP为控制核心的LED显示屏设计方案,采用DSP和单片机分别处理显示效果和显示刷新,使用DSPHPI接口实现的与PC主机快速并行通讯,其显示效果灵活多样、数据传输速度快、显示刷新率高,已成功的应用于实践中。
This paper introduces a LED screen design.The core of this control system is TMS320VC5402 DSP, which has an excellence processing performance.This design use double ports RAM to communicate with MCU, and use the DSP＇s HPI interface to communicate with PC. This design had been used in practice with in flexible display effect and high transfers speed.
出处
《企业技术开发》
2005年第12期6-8,73,共4页
Technological Development of Enterprise
