文档介绍：摘要本文通过单片机的串口并经过 MAX202 电平转换,可实现两个单片机之间实时会话,半双工工作模式;程序中设有发送接收允许、自行校验,提高了通信的准确度; 可以将接收数据储存并将储存数据进行读取,可储存 99 个数据;设有软件复位功能,防止程序走死。关键字: 实时会话自行校验软件复位 A bstract Through and through the MAX202 chip serial level converter, enabling real-time conversation, half-duplex mode between two microcontrollers; program features allow sending and receiving, self check and improve the accuracy munication; may be receiving data storage and store data read, can store 99 data; has a software reset function to prevent the program go to die. Key words :l ive Session self-calibration software reset session 1 目录摘要............................................................................................................................................. 1 Abstract ....................................................................................................................................... 1 目录............................................................................................................................................. 2 第1章课题概述....................................................................................................................... 3 第2章总体设计方案............................................................................................................... 3 第3章硬件设计....................................................................................................................... 3 单片机.............................................................................................................................. 3 UT62256CPCL 芯片........................................................................................................ 3 单片机间串行通讯.......................................................................................................... 4 按键与显示...................................................................................................................... 4 软件复位.....................................................................