This paper introdues the features of serial EEPROM 93C46 and microprocessor supervisory circuits MAX690/692/694, Their interface circuits with single chip computers and the programming techniques of the system are given as well.

• 简要介绍了串行EEPROM 93C46和微处理器监控电路MAX690/692/694的性能特点；并给出它们与单片机的接口电路和编程方法.