摘要
论述了双ＣＰＵ协同工作方式的ＬＥＤ点阵式大屏幕显示器的设计．详细介绍了用双端口ＲＡＭ匹配两个ＣＰＵ工作速度的方法和双端口ＲＡＭ的设计方法．讨论了基于Ｗｉｎｄｏｗｓ９５的显示信息生成方法．给出了系统软件的框图．
In this paper,large LED's screen based on two CPU concurrent processing is discussed.The way of matching the speed of two CPUs with two interface RAM and the design of two interface RAM are introduced in detail.The way of creating displayed information based on Windows 95 is discussed.The program flow chart of the system software is given.
出处
《河北工业大学学报》
CAS
1998年第3期87-92,共6页
Journal of Hebei University of Technology
关键词
LED显示屏
单片机
双端口RAM
LED's display screen,Singlechip microcomputer,Two interface RAM
