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多通道A_D转换控制模块的设计与实现.pdf

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2011年第24卷第 8期 # Electron ic Sci1 Tech1 /Aug115, 2011 A /D ( , 232007) 提出了利用MC143150 Neuron芯片和 Burr Brown 公司生产 12位串行模数转换器 ADS7844实现多通道 A /D转换控制模块 设计与实现方法介绍了 MC143150 Neuron芯片和 12位串行模数转换器 ADS7844 硬件结构与工 作原理, 以及运用 Neuron C 语言开发多通道 A /D转换控制模块, 对数据转换结果 采集分析与处理程序通过长时 间运行测试, 该控制模块精度高性能可靠, 给现场自动化控制系统 集成带来较大 灵活性 MC143150 Neuron芯片; ADS7844; A /D转换 TN43 A 1007 7820(2011) 08 075 04 Im p lem en tation and D esign of M ult-i channel A /D Conversion Con trolM odu le LIYanwu ( Departm ent of Electrical and Information Engineering, Anhui Industry and Comm erceVocational Technology Institute, Huainan 232007, Ch ina) Abstract The mi plementation and design ofMulti channelA /D Conversion Control module w ith MC143150 Neuron Chip and ADS7844 is put forward in this paper. The structure and principle ofMC143150Neuron Chip andADS7844 are also given in detai,l including collection, analysis and processing of the results ofMulti channelA/D Conversion by usingNeuron C. Through long tmi e operation and testing, Multi channel A /D Conversion Control module proves to be reliable and w ith high precision, which ensures the flexibility of the integration of automatic control system. It has practical values. K eyw ords MC143150 neuron chip; ADS7844; A /D conversion , , , , A /D , MC143150 Neuron 12 ADS7844A/D , , 1 A /D 1 , 8 12A /D 图 1 多通道 A /D转换控制模块 硬件总体结构图 ADS7844 MC143150 Neuron 111 ADS7844 8 12A /DADS7844 ADS7844 Burr Brown , MC143150 N euron 12 8 ADS7844 8 , 8 4 , A /D ,
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