MCP41/42XXX系列数字电位器及其应用  

MCP41/42XXX Series Digital Potentiometer and Application

作　　者：范腾[1] 王富东[1] 

机构地区：[1]苏州大学机电工程学院,江苏苏州215021

出　　处：《工业控制计算机》2011年第9期104-105,共2页Industrial Control Computer

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。This paper introduces the structure and characteristics of MCP41/42XXX series digital potentiometers of Microchip,lnc 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.

关 键 词：数字电位器 MCP41/42XXX SPI接口 DSPIC30F 

分 类 号：TM547[电气工程—电器]