This is a very good key scan circuit and display control programs and

8051单片机系统中对DISKONCHIP的操作-8051 single-chip microcomputer system for the operation of DiskOnChip

AT89S51单片机　输出Pulse Width Modulation　Wave -AT89S51 MCU Output Pulse Width Modulation Wave

这篇报告介绍了关于PIC单片机原理与应用。主要有以下几方面内容：1 利用PIC单片机的PC计数器及实时计数器计数或计时，利用LED数码管显示数据。 2．利用PIC单片机进行各种信号、数据的采集。 3．利用单片机的控制功能实现控制。 4．了解其硬件上各引脚输入输出口，充分掌握其各个指令和基础编程，以及一些简单的应用。 5．利用EEPROM实现单片机的数据掉电保存及利用I2C模式进行通讯。 -This report describes the PIC microcontroller on the Theory and Application. Mainly the following aspects : the use of a PIC microcontroller and the real-time counter PC Counting or time, use of digital LED display data. 2. PIC for the use of the signals, and data acquisition. 3. Microprocessor control functions to achieve control. 4. Understanding of the various hardware input and output pins I fully understand the basis for all orders and programming, and some simple applications. 5. MCU use EEPROM data preservation and the use of power-down mode I2C communications.

通用的基于51单片机控制IDE硬盘，可能无FAT文件系统-generic microcontroller-based control 51 IDE hard disk may not FAT File System

CPU的code banking技术实例： This Zip file contains five (3) folders: FastChip Project Files * This folder contains a folder called "Bank" that should be moved into: FastChipProjects Keil Project Files * These files are to be put into the directory of your choice and the project is to be opened from within Keil Hex Files * These files are the output of Keil. If you do not want to compile and link all of the code, these files can be loaded into FastChip directly -CPU examples of code banking technology: This Zip file contains five (3) folders: FastChip Project Files* This folder contains a folder called

opentcp-8052-1-0-4-1-src,包含了常用的网络协议，已经成功的移植到51中-opentcp- 8052-1-0-4- 1-src, contains commonly used network protocol, already successful transplant 51

ad0831模数转换必须，很哟用的，我也是找了好久哦，大家一起分享把！-ad0831 analog-digital conversion necessary, the very yo, I was looking for a long time, oh, we put together to share!

PCF8563 的驱动程序，用两个普通的IO口模拟I2C总线，包括100KHZ（T=10US）的标准模式选择和400KHZ的快速模式选择，默认11.0592MHZ的晶振-PCF8563 of the driver, with two ordinary analog IO I2C bus, including the extremely low distortion (T = 10US), the standard model selection and 400KHZ fast mode selection, the crystal default 11.0592MHZ

交流采样的滤波资料和一些参考程序，对于做测控系统的有一定的参考意义-AC sampling filter information and some reference procedures for monitoring and control systems do have some reference value

此为一个单片机多机通信的程序 有两个从机一个主机 从机1负责采集温度并上传给主机 从机2控制电机转动