基于51F340的USB高速高精度实时数据采集  

Design of Data Acquisition with High-Precision and High Speed Measurement Based on 51F340 and USB Technologies

作　　者：秦旭[1] 范蟠果[1] 李玲[1] 

机构地区：[1]西北工业大学自动化学院,陕西西安710129

出　　处：《测控技术》2010年第10期24-26,31,共4页Measurement & Control Technology

摘　　要：针对高精度测量时数据采集中的实时性和高速性要求,提出了一种基于USB2.0的实现方法。以具有USB控制器的C8051F340单片机为硬件平台,实现了工业现场数据的实时、高速、高精度采集。介绍了USB硬件电气连接、数据处理,以及固件程序设计方法,并对PC机应用程序设计和固件驱动做了简要说明。A new applied scheme of USB2.0 interface technology is introduced,in order to meet the requirements of real-time and high speed performance in data acquisition of high-precision measurement.C8051F340 MCU with USB function controller is used as a hardware platform to achieve data acquisition of the industrial field.Electrical connection,data processing,firmware program design are also explained in detail.And design of USB drive and application in PC are simply illustrated.

关 键 词：C8051F340单片机 USB2.0通信协议 高精度测量 固件程序设计 

分 类 号：TM930[电气工程—电力电子与电力传动]