这是新华龙（www.xhl.xom.xn）开发的，基于单片机，现在可以在它的网站上免费下载，不过当初他可是花了500大元买的。...

DDS芯片ad9854的单片机（C8051F020)控制及其外围原理图和PCB图-DDS chip AD9854 microcontroller (C8051F020) and its peripheral control schematic and PCB diagram

用8253-8255编写的定时响铃程序 可以定时两个时间点，很经典的程序-spent 8253-8255 prepared by the regular beep procedures regular two points in time, classic procedures

C8051f340,本程序为PCA16位PWM输出例程-C8051f340, the procedures for PCA16-bit PWM output routines

pic单片机实现的TCP/IP协议-pic MCU TCP/IP protocol

帮助初学PIC单片几的人快速入门,同时也可以为有经验的工程师提供产考.-PIC chip to help beginners a few people get started quickly, but also for experienced engineers to provide production test.

MDK学习之LCD_1620.rar，祝大家学习进步！！MDK学习之LCD_1620.rar，祝大家学习进步-MDK learning LCD_1620.rar, I wish you all to learn and progress! ! MDK learning LCD_1620.rar, I wish you all a learning progress

单片机对AT24C08芯片的读写程序，用c语言编写的，经过电脑检验的。-AT24C08 single-chip microcomputer to read and write procedures chips.

工程名称：串口+485发送程序 控 制 器： ATmega16 晶 振： 8.0000Mhz 创建时间：2009年2月18日 说 明：CPU通过串口接RS485发送数据，终端PC机通过 RS485转RS232转换器接入PC机，使用串口调试 助手发送数据并接收数据。 端口配置： CPU RS485 RXD RO TXD DI PD6 DE,/RE-Project Name: serial port+485 sending program controller: ATmega16 Crystal: 8.0000Mhz Created: February 18, 2009 Description: CPU to send data through the RS485 serial port access, terminal PC, transferred via RS485 Converter RS232 access to PC machine, use the serial port debug helper to send data and receive data. Port configuration: CPU RS485 RXD RO TXD DI PD6 DE,/RE

C51源程序，实现IAP功能，可实现嵌入式系统的自主学习功能

在IAR Embedded Workbench IDE平台使用ATmega1280的USART1口的编译连接通过的485通信的master机和slave2以及slave3的程序-IAR Embedded Workbench IDE in the platform of the ATmega1280 compiler USART1 I connect the 485 through the master communication and slave3 procedures, as well as slave2