| 测控技术中GPIB接口的CPLD实现 |
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| 引用本文： | 冯进华,陈斯敏,赵刚. 测控技术中GPIB接口的CPLD实现[J]. 中国测试技术, 2005, 31(4): 81-84,91 |
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| 作者姓名： | 冯进华 陈斯敏 赵刚 |
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| 作者单位： | 四川大学电子信息学院,四川,成都,610064 |
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| 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Mtera公司的Qnartusll 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。CPID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IEEF488协议要求，可以替代价格昂贵的GPIB专用接口芯片。
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| 关 键 词： | 测控仪器 GPIB接口 EDA开发工具Quartus Ⅱ 复杂可编程逻辑器件 |
| 文章编号： | 1672-4984(2005)04-0081-04 |
GPIB interface designed by CPLD |
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| FENG Jin-hua,CHEN Si-ming,ZHAO Gang. GPIB interface designed by CPLD[J]. China Measurement Technology, 2005, 31(4): 81-84,91 |
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| Authors: | FENG Jin-hua CHEN Si-ming ZHAO Gang |
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| Abstract: | More and more GPIB interface has been used in Measurement 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. |
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