利用单片机AT89S51与adc0809设计一个数字电压表，能够测量0－5V之间的直流电压值，四位数码显示，但要求使用的元器件数目最少...

由"晓风"编写的PLD入门的好教材：pld.rar（中文PDF文档）-from "feng" prepared by the entry PLD good material : pld.rar (Chinese PDF)

C51源程序库（二十多个）-C51 source library (over 20)

PIC16F877A控制DS18B20汇编程序 功能实现：通过DS18B20来读取温度，显示在2位LED上，精确到1度 -PIC16F877A control program features a compilation DS18B20 realize: By DS18B20 to read temperature, displayed on two LED on, accurate to one degree

51单片机浮点数存放到EEPROM中的程序范例-51 microcontroller to float stored in the EEPROM process model

您上载的源码为何会被站长不采用或帐号被删除？请认真阅读您的文件包然后写出其具体功能 -You upload the source code for that station will be used or not account is deleted? Please carefully read the package to your specific function and then write

PS2键盘设计---C51程序，详细介绍了对PS2键盘的响应和处理-PS2 keyboard design-C51 procedure, described in detail on the PS2 keyboard response and treatment

语音芯片PM50八方源代码，在播音函数中写入你需要播音的例子即可播放对应的语音。-voice chip PM50 from all source code, the audio function you need to write radio broadcast of examples corresponding voice.

占空比可调信号发生器，单片机原理程序代码，已成功运行。-Adjustable duty cycle signal generator, the principle of single-chip code has been run successfully.

使用的同步串行三线SPI 接口，可以方便的连接采用SPI 通信协议的外围或另一片AVR 单片机，实现在 短距离内的高速同步通信。ATmega128 的SPI 采用硬件方式实现面向字节的全双工3 线同步通信，支持主 机、从机和2 种不同极性的SPI 时序，通信速率有7 种选择，主机方式的最高速率为1/2 系统时钟，从机方式 最高速率为1/4 系统时钟。-Use three-wire SPI synchronous serial interface, can be used to facilitate the connection of the external SPI communication protocol or another chip AVR microcontroller, realize in the short distance high-speed synchronous communication. ATmega128