Use Microcomputer Parallel Print Interfaces for Data Collection 利用微机并行打印接口进行数据采集
For communication among parallel print port of PC and multiple single-chips, interface is divided into data, state and control groups respectively controlled by each register. PC并行打印口与多台下位单片机的通讯,将接口分成数据、状态、控制三组,由其寄存器分别控制。
Time-Sharing of Enhanced Parallel Port Bidirection Data Transfer and Print 增强型并行口双向数据传输与打印分时复用
Multiple Single-Chip Communication Based on Parallel Print Port 基于并行打印口的多机通讯
This paper presents some knowledge about microcomputer parallel print interfaces, mainly introduces the developed usage of its basic functions, that's to say, the theory, method and characteristics of using it for data collection. 本文介绍了微机并行打印接口的一些知识,着重介绍了对其功能的扩展,即用它来进行数据采集的原理、方法和特点。
Parallel indexing cam mechanism is the key part of automated machinery to fulfill the intermittent motion. It is widely used in food, medicine and print industry. 平行分度凸轮机构是自动机械中实现间歇步进运动的关键部件,在食品、药品、印刷等行业得到广泛的应用。