鉴于目前国内的生化分析仪研制水平落后,提出了基于S3C44B0X的生化分析仪的设计,它以ARM系列S3C44B0X微处理器为核心,介绍了其工作原理,并且论述了生化分析仪的外围电路的硬件设计及应用｡该型生化分析仪具有体积小､使用方便､性价比高等优点,极大提高了仪器的一体化程度,并为远程专家诊断提供便利｡ Clinical Chemistry Analyzer Based on S3C44B0X YE Xiao-ling,SUN Ning, ZHANG Ying-chao, HUANG Jun-ping (Department of Information & Communication,Nanjing University of Information Science & Technology , Nanjing 210044, China) Abstract:Seeing that the lagging manufacture and development of the clinical chemistry analyzer, the design of clinical chemistry analyzer based on S3C44B0X microprocessor was raised by investigation and study, which introduces the principle of clinical chemistry analyzer and discusses the design and application of peripheral hardware circuits. This small bulk clinical chemistry analyzer with high performance and low price is convenient for use, greatly increased the integration of the apparatus, especially for longdistant experts diagnose. Key words:ARM;S3C44B0X; clinical chemistry analyzer;circuit design