【摘要】 介绍了一种利用MAX2 50 / 2 51新型接口芯片给单片机加装光电隔离式RS 2 32串行通信接口的方法 ,并给出一个设计光电隔离式RS 2 32接口的应用实例 ,最后还给出了与 0 80C196KC单片机的串行通信程序。更多还原

【Abstract】 A method of adding a RS-232 photoelectric insulation interface to MCU by a new type of interface chips MAX250/251 is introduced,and an instance of adding a RS 232 photoelectric insulation interface to MCU is given,at last,the serial communication program with 80C196KC is also given.更多还原