| MCP41/42XXX系列数字电位器及其应用 |
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| 引用本文： | 范腾,王富东. MCP41/42XXX系列数字电位器及其应用[J]. 工业控制计算机, 2011, 24(9): 104-105 |
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| 作者姓名： | 范腾 王富东 |
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| 作者单位： | 苏州大学机电工程学院,江苏苏州,215021 |
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| 摘 要： | 介绍了微芯公司MCP41/42XXX系列数字电位器的结构与特点,分析了其接口方式,给出了与微处理器的接口程序,并用不同的方式实现了数字电位器的输出调整.最后给出了一个基于该系列数字电位器音量调节的应用实例.
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| 关 键 词： | 数字电位器 MCP41/42XXX SPI接口 dsPIC30F |
MCP41/42XXX Series Digital Potentiometer and Application |
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| Abstract: | This paper introduces the structure and characteristics of MCP41/42XXX series digital potentiometers of Microchip,Inc.The interface programs with the microprocessor based on the analysis of its interface are given in order to adjust the output of the digital potentiometer from different ways.Finally,an application example based on the series of digital potentiometer was designed for the volume control system. |
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| Keywords: | digital potentiometers MCP41/42XXX SPI interface dsPIC30F |
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