基于CPLD和PCI总线的显示系统

Display system based on CPLD and PCI bus

PCI总线是一种被广泛应用的计算机局部总线.介绍了一种基于PCI总线的键盘显示系统.其中,CPLD连接PCI总线和AT89C52单片机,作为二者通信的桥梁;单片机控制LCD显示模块和键盘输入模块.

PCI bus is widely used as a kind of computer peripheral bus.This paper mainly introduced a keyboarddisplay system based on PCI bus.As a communication bridge,CPLD is connected with PCI bus and AT89C52 monolithiccomputer.Monolithiccomputer controls LCD displaying module and keyboard module.