【摘要】 实践证明，来自电源的干扰种类多，对单片机应用系统的稳定运行影响大。本文在分析工业现场电源干扰种类的基础上，介绍了利用电源电压监视芯片TL775A构成的电源抗干扰电路和利用MAX693μP监控芯片构成的抗干扰与掉电保护电路，使用这两种电路可以很好地消除来自电源的干扰。更多还原

【Abstract】 There are many kinds of interruptions coming from power source,which influence the stahility of single chip computer application system,According to the analysis on soris of operation of industry locate power source,this paper has introduced anti-interruption circuit by using power source supervision circuits TL775A, this paper also introduced another antiinterruption and power-fail protection circuits by using μp supervision circuits MAX 693.By using these two kinds of circuits,The application system can eliminate the interruptions coming from power source.更多还原