摘 要：本文介绍了汽车灯光自动控制系统的国内外研究现状，并给出了实现方案；讨论了汽车灯光自动控制系统设计原理，给出了用Freescale 16位单片机MC9S12C32和信号检测芯片MC33993、功率驱动芯片MC33888等组成的汽车灯光自动控制系统具体电路原理图，并就技术问题提出了解决方案。

关键词：汽车；单片机；自动控制；灯光

On the Automatic Control System of Automobile Lights

Abstract: The paper begins with a survey of researches home and abroad into the automatic control system of automobile lights and proposes related implementary schemes. It further discusses the designing principle of the system and devises the concrete schematic circuit diagram of the system composed of the Freescale SCM-16 MC9S12C32, the signal detecting chip MC33993 and the power driving chip MC33888, and also works out solutions to technology-related problems.

Key words: automobile; SCM; automatic control; light