AT89C51的使用手册，对学习单片机很有帮助-AT89C51 user manual, learning microcontroller helpful

本文档是为单片机初学者写的有关串口通讯编程的说明文档。使用的单片机硬件是最通用的AT89C51单片机，编程语言为c语言。本文档不是系统的介绍单片机知识的教程，而是为了使您尽快掌握串口编程方法的技术说明。-This document is written for beginners microcontroller serial communication programming documentation. Using microcontroller hardware is the most co

单片机AT89C51与PC通信，RS232串行通信，MAX232电平转换芯片-AT89C51 microcontroller communicates with the PC, RS232 serial communication, MAX232 level converter chip

PROTEUS万年历设计，可运行，基于AT89C51单片机设计程序-PROTEUS calendar designed to run, based on AT89C51 microcontroller design process