可用于任何单片机平台的I2C总线读写程序，IO脚模拟。

采用UART方式0与LM74通信。 用C8051f020的P0.7作片选，主机通过TXD发送时钟信号，实现同步通信,半双工.RXD 作双向数据线.用六位数码管显示LM74采集的温度值-The use of UART communication mode 0 and LM74. P0.7 used for the C8051F020 chip select, host TXD sent through the clock signal, to achieve synchronous communication, half-duplex. RXD for bi-directional data line. With six digital tube display LM74 temperature collected

W78E516B在线升级的下位机源代码，包含上位机测试程序-The next upgrade W78E516B online digital machine source code, including test procedures PC

以个C51编写的完整函数集，包括时钟，LCD，语音芯片-- C51 to prepare a complete function set, including clocks, LCD, voice chip

中断方式实现软件串口通信,基于ht82k95a单片机。-rs_uart

这是常用的pic单片机子程序, 包括BCD码的转化和串行通讯等是PIC初学者理想的学习样板-This is the common pic microcontroller subroutine, including BCD conversion and serial communications beginners PIC is an ideal learning model

本文档说明AVR单片机的Atmega 16对键盘按键控制的程序-This document explains AVR MCU Atmega 16 the keyboard keys to control the procedures

是一款不错的单片机开发软件说明,开发单片机前的必备知识学习。-Is a good description of single-chip microcomputer software, the development of single-chip pre-requisite knowledge.

iic参考程序，可以改下串口等，已经很详细了可以自己看程序，比较简单-iic reference program

本方法的基本思想就是利用单片机具有的PWM端口，在不改变PWM方波周期的前提下，通过软件的方法调整单片机的PWM控制寄存器来调整PWM的占空比，从而控制充电电流-The basic idea of this method is the use of microcontroller has the PWM ports, without changing the PWM square wave cycle, under the premise of the method to adjust by software MCU PWM control registers to adjust the PWM duty cycle and thus control the charge current

自动检测80C51 串行通讯中的波特率-automatic detection 80C51 Serial communication baud rate