一种基于ARM7的IO扩展系统的设计  

The Design of IO Expansion Based on ARM7

作　　者：于治楼 乔国凯 

机构地区：[1]浪潮集团有限公司,250013

出　　处：《信息技术与信息化》2009年第5期49-50,共2页Information Technology and Informatization

摘　　要：本文介绍了一种基于ARM7处理器实现多IO扩展的系统设计。该系统具有控制灵活、接口简单、占用系统资源少等优点,可广泛应用于工业控制、家庭安防、以及GPS卫星定位导航等领域,解决了主机串行通信接口不足的问题。In this paper, a ARM7 processor achieves the expansion of the serial The control method is flexible, simple interface, occupying tess system resources, etc, can be widely used in industrial control, home security, as well as the GPS satellite positioning navigation and other fields to solve the embedded system host serial communication interface problem.

关 键 词：ARM CPLD IO UART 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]