该仪器基于LPC932单片微机为核心微处理器，来完成数据采集、处理，存储，实时时钟控制，液晶显示，通信等功能。
This instrument based on LPC932 as the key microprocessor to gather , deal with and store data, to control real-time clock, to complete the liquid crystal display and communication.
液晶显示器和日历时钟在系统的设计和使用中有较多的应用，所以在本文中也有关于它们的详细介绍。
Liquid crystal display and RTC have more application in the design and using of the system, so a detailed introduction about them is given in the text.
液晶显示屏对输入、输出电压、电流、状态、参数、时钟显示，一目了然，有历史数据记录、查询、输入设置功能。
LCD displays voltage out, current, status, parameter and time. It also has the function of history data recording, searching and imputing set function etc.
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