摘要
介绍一种扩展并行接口卡的设计方案及其应用实例。该卡主要由８２５５ 芯片、驱动电路、译码电路等组成， 具有结构简单。
This paper introduces the design and application of a microcomputer paralled connection card.This card consists mainly of 8255 chip,drive circuit and decode circuit.It is simple and easy to beimplemented.
出处
《广西师院学报（自然科学版）》
1999年第3期67-72,共6页
Journal of Guangxi Teachers College(Natural Science Edition)
