This paper introduces the function feature, pin meanings, control instruction and working theory of MAX3100 which is a new UART product of MAXIM, and gives an design example of appliance in serial communication with MCS-51 series single chip system.

• 介绍了MAXIM公司的新型通用异步收发芯片MAX3100的功能特点、引脚含义、控制指令及工作原理,给出了MCS-51系列单片机系统中,MAX3100在串行数据通讯应用中的设计实例。