基于GPIF的USB-GPIB转换器的研制  

Development of USB-GPIB converters based on GPIF

作　　者：徐庆富[1] 李长俊[1] 江明珠[1] 

机构地区：[1]桂林电子科技大学信息科技学院,桂林541004

出　　处：《国外电子测量技术》2011年第1期67-69,共3页Foreign Electronic Measurement Technology

摘　　要：利用USB的即插即用、携带方便等优点以及GPIB接口在测试系统中的优势,完成USB与GPIB之间的转换。其中USB部分采用Cypress公司的USB控制芯片CY7C68013实现PC与硬件的USB通信,GPIB协议部分采用NI公司的NAT9914控制芯片进行转换,利用CY7C68013中的GPIF的功能,进行GPIB数据的读写,提高设备的传输速率和节约CPU资源。通过测试表明:基于GPIF的USB-GPIB转换器具有传输速度快、成本低、体积小、重量轻等优点。The conversion between USB and GPIB is achieved by making use of the merits of USB such as the ＂Plug and Play＂ and portability and the advantage of using GPIB in the testing system.In terms of USB,the communication between PC and hardware via USB is realized by the USB controller chip CY7C68013 produced by Cypress.While for the GPIF,the conversion is realized by using the NAT9914 produced by NI and the reading and writing of the GPIB data is achieved by the GPIF of CY7C68013,which improves the transmission rate and saves the resources of CPU.Tests show that USB-GPIB converters based on GPIF have such advantages as high transmission rate,low costs,small volume and light weight.

关 键 词：GPIF USB GPIB CY7C68013 

分 类 号：TP216[自动化与计算机技术—检测技术与自动化装置]