微机USB和RS485通讯接口的软硬件设计  

Design and Implementation of Communication Between USB and RS485

作　　者：莫登耀[1] 廖肸昕[1] 张阿卜[1] 

机构地区：[1]厦门大学自动化系,福建厦门361005

出　　处：《厦门大学学报（自然科学版）》2005年第B06期273-276,共4页Journal of Xiamen University：Natural Science

摘　　要：文章使用最新的器件CP2101桥接器作为核心,加上UART和RS485的转换芯片MAX1483和一些附加电路IC实现了USB和RS485转换器的硬件电路,介绍了作为USB和UART桥接器的新器件CP2101的功能和用法,设计了在微机平台上与转换器进行通讯的软件.It has not been solved satisfactorily to communicate between USB and RS485 until the new bridge CP2101 comes out.The usage of the highly-integrated USB-to-UART Bridge Controller CP2101 was introduced.The hardware interface circuit with CP2101 and MAX1483 as main core components was implemented.At last the software to communicate with bridge was designed.

关 键 词：RS485 USB 软硬件设计 通讯接口 UART 硬件电路 附加电路 转换芯片 微机平台 桥接器 转换器 新器件 软件 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置] TP336[自动化与计算机技术—控制科学与工程]