摘要
介绍了一种基于AT89S51单片机的数字电压测量的设计方法。本文中数字电压测量装置的核心采用AT89S51单片机,A/D转换器采用TLC549为主要硬件,实现数字电压测量的硬件电路与软件设计。该系统的数字电压测量电路简单,所用的元件少,成本低。数字电压测量装置可以测量0～500V的电压值,并在四位LED数码管上显示。
The thesis introduces a design method about digital measurement of voltage based on single-chip computer AT89S51.The core device adopts single-chip computer AT89S51 and the A/D converter adopts TLC549 as a main hardware which realizes hardware circuit and software design of digital measurement on voltage.The system is simple and uses fewer components,lower cost.This device can measure voltage from zero to 500V which can be displayed on 4-bit LED.
出处
《价值工程》
2012年第3期153-153,共1页
Value Engineering
