摩托罗拉单片机延时程序举例，无密码，解压即可使用

atmel公司atmega单片机bootloader的源代码-ATmega Atmel single-chip companies bootloader source code

C51入门大全,对初学者很有帮助,认真学习一下里面的程序或者直接拿出来在单片机上运行一下,里面的程序基本上都是有效的.-C51 Portal Daquan, very useful for beginners. seriously study the inside of the program or directly out of the running on this MCU, Basically, the procedures which are effective.

8051单片机矩阵键盘扫描程序（包括键盘的消抖和数码管的显示）-8051 keyboard matrix scanning process (including the elimination Buffeting keyboard and digital display control)

一些常见的单片机实例，并提供程序源程序，供初学者下载学习。-Some common examples of single-chip, and provide procedures for source code download for beginners to learn.

keil51环境开发，modbus通讯协议-keil51 environmental development, modbus communication protocol

此压缩文档包含了数个用VB语言开发的IC卡管理系统-This compressed file contains a number of development using VB language IC Card Management System

一个俄罗斯方块的源代码，用C语言写的，可以运行。-A Tetris source code, written in C language, you can run.

程序描述：这个范例说明如何使用8051，以及汇编语言的程序连结， 当我们按下向上数的按钮之后，程序就会把0到9的共 阳7段显示器字型码存入AT93C46；如果我们按下向下 数的按钮之后，程序就会把9到0的共阳7段显示器字 型码存入AT93C46。 程序每一次重新开始执行时(Power on 或是Reset)，8051 会先从AT93C46当中读出最前面的10个位组，然后 就反复地将这10个位组的数据经由PORT 1送到1个 共阳七段显示器。*/-Procedure Description: This example shows how to use the 8051, as well as links to assembly language programs, when we pressed up a few of the button, the program will bring a total of 0-9 yang seven segment display font yards into AT93C46 if we press Next down the number button, the program will bring a total of 9-0 Yang seven segment display font code into AT93C46. Process to begin again each time when the (Power on or Reset), 8051 will start with AT93C46 were read out in front, 10-bit groups, and then repeated these 10-bit groups of data via the PORT 1 sent to a A total of seven-segment display Yang.* /

开发流程-Development process

C8051F020单片机二十进制转换-C8051F020 two metric conversion