作者：冯进华, 陈斯敏, 赵刚

作者单位：四川大学电子信息学院, 四川成都 610064

关键词：测控仪器; GPIB接口; EDA开发工具QuartusⅡ; 复杂可编程逻辑器件

摘要：

现代测控技术大量使用GPIB接口,本文探讨了用CPLD实现的GPIB接口的原理和途径。设计使用了Altera公司的QuartusII EDA工具进行逻辑验证和功能仿真,大大提高了设计效率,同时模块化的设计思想便于扩充或删减接口功能,方便移植。CPLD芯片使用Altera的EPM7128S,经过仿真和实测完全达到了预期效果。传统测试仪器通过增加这种GPIB接口和少量其他元器件便可升级为程控仪器。实际使用表明其性能完全满足IEEE488协议要求,可以替代价格昂贵的GPIB专用接口芯片。

GPIB interface designed by CPLD

FENG Jin-hua, CHEN Si-ming, ZHAO Gang

College of Electronics and Information Engineering, Sichuan University, Chengdu 610064, China

Abstract: More and more GPIB interface has been used inMeasurement and Control Field, how to design the interface efficiently is the key of measurement &control Instrument.By the way, Altera Ltd provides the EDA tool of CPLD to replace the expensive ASIC chip that used in traditional interface design, the main advantage, traditional instrument can add a few of component to expend their functions and become programme-control instrument, the update is convenience and the cost is low.

Keywords: Measurement and control instrument; GPIB interface; QuartusⅡ EDA; CPLD

2005, 31(4): 81-84,91  收稿日期: 2005-3-27;收到修改稿日期: 2005-5-7

基金项目: 

作者简介: 

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