基于PCF8591单芯片的数据采集器和波形发生器设计  

PCF8591-based Single-chip Data Collector and Waveform Generator Design

作　　者：王永彬 Wang Yongbin(Linyi Vocational College of Science and Technology,Linyi Shandong 276000)

机构地区：[1]临沂科技职业学院,山东临沂276000

出　　处：《现代工业经济和信息化》2023年第5期105-107,共3页Modern Industrial Economy and Informationization

摘　　要：研究设计了一种基于PCF8591芯片的模拟量数据采集器和电压波形发生器单芯片解决方案。利用该芯片集成的I2C总线A/D模块实现了模数转换的数据采集功能,同时把转换结果实时显示在LCD1602液晶屏上;利用它的I2C总线D/A模块实现了简易信号波形发生器功能,可以输出任意波形如正弦波、三角波、锯齿波,以便为电路分析和仪器测试提供需要的信号源。A single-chip solution for analog data collector and voltage waveform generator based on PCF8591 chip was designed.The I2C bus A/D module integrated with the chip realizes the analog-to-digital conversion data acquisition function,and displays the conversion results on the LCD 1602 LCD screen in real time;Its I2C bus D/A module realizes the function of simple signal waveform generator,which can output arbitrary waveforms such as sine wave,triangle wave,sawtooth wave,etc.,in order to provide the required signal source for circuit analysis and instrument testing.

关 键 词：PCF8591芯片 A/D转换 数据采集 D/A转换 波形发生器 I2C总线 

分 类 号：TP274.2[自动化与计算机技术—检测技术与自动化装置]