A realization of des encryption keyboard, keyboard encryption standard in line w...

用于arm开发，keil开发环境-arm for the development, Keil development environment

LM3S101单片机模拟I2C 本模拟I2C软件包包含了I2C操作的底层函数，如发送数据及接收数据,应答位发送,并提供了几个直接面对器件的操作函数，它很方便的与用户程序连接并扩展.

89C51系列CPU编程器源代码-series 89C51 CPU source code programmer

单片机 Keil＋proteus 并行口设计数字键盘实验 要求：掌握动态显示、动态扫描键盘的工作原理及硬、软件的设计、调试方法 掌握80C51接口硬件电路设计方法及软件编程方法 了解80C51外部中断的使用和编程方法 实验题目：并行口实现数字0~9、A~F、L、U、P、n总共20个键盘，将按键的结果用7段数码管显示出来。-Parallel Port numeric keypad test requirements: master the dynamic display, dynamic scan the keyboard works and the hardware and software design, debugging the means to acquire 80C51 interface hardware circuit design methods and software programming approach to understanding the 80C51 external interrupts use and programming methods Experimental subjects: parallel port for digital 0 ~ 9, A ~ F, L, U, P, n total of 20 keyboard, the result will be keys to use 7-segment digital tube display.

此程序为键盘接口芯片程序，适合与avr单片机上，已经修改调试过-procedure for the keyboard interface chip procedures, and appropriate avr microcontroller, has been amended over Debugging

Interface PS/2 key board-Interface PS/2 key board

9S12DT128B sci 模块介绍 英文-Introduction Module 9S12DT128B sci English

89c51单片机定时中断动态四数码管显示的控制程序-Interrupted from time to time 89c51 single-chip digital display dynamic four of the control procedures

ep2c5q208c8开发板原理图（完整），pdf文件。-ep2c5q208c8 development board schematic diagram (complete), pdf file.

点阵LED显示0-9程序（c语言）,此程序为8*8LED点阵的简单程序-Dot-matrix LED display 0-9 program (c language)