摘要： 介绍了PC机并口与下位机通信的一种硬件连接方法，以及在PC机上VB6．0环境中利用DLL解决对并口寄存器直接访问的方法。

关键词: 通信, 并行口, 动态连接库

Abstract: This paper introduces a hardware designing method of high speed parallel communicahon between PC and single chip microcomputer system, and how to use DLL to access to parallel port's registers is described VB and VC++ have been used in programming.

中图分类号: 

• TP311