详细介绍了51单片机的指令系统，通过此文档进一步了解51单片机的体系结构...

六位电子密码锁 采用89s52（51，52都可），4*4键盘，六个数码管，74ls04（位选），573（8D锁存器）。 说明：P2---数据（接573）―――（接数码管） P1---位选 ---（按74ls04） P0--4*4键盘 密码一次性设置（编程时写入的） 电路简单，此源程序仅供初学者学习，可自行扩展密码模块（加24C02）。 编绎软件为wave -six electronic password lock used 89s52 (can be 51, 52), 4* 4 keyboard, six digital control, 74ls04 (EC), 573 (8D latches). Note : P2-- Data (573 )---( access digital access control) P1 Choice------ (74ls04 ) P0-- 4* 4 keyboard set up a one-time password (into programming) circuit is simple, This program is for beginners learning will be able to expand password module (CO2 plus 24). Sounds series software wave

usb接口应用文件供参考 usb接口应用文件供参考-usb interface application documents for reference us b interface application documents for reference

用单片机实现E1等芯片的初始化，给出了E1芯片DS21Q53的初始化方法-E1 MCU chip initialization, given the DS21Q53 E1 chip initialization method

这是费浙平在《单片机与嵌入式系统应用》上连载的六篇文章，非常经典。-Zhejiang-fee "microcontroller and embedded system applications," a series of six articles, very classic.

单片机对FLASH芯片的烧写,源程序,原理图,PCB图-right FLASH MCU chip burning, source, schematics, PCB plans

Proteus的数码管仿真电路，希望对大家有点用，入门级的。-Proteus simulation of the digital control circuit, in the hope that we are a bit used, entry-level.

arm lpc2132 driver for GPIO_Led1

点阵式LED“0－9”数字显示技术-Dot-matrix LED

提供51无防真器下内存监测程序(pc软件为"超级终端")-provide no real defense for the next memory monitoring procedures (pc software for the "Super Terminal")

单片机控制max261/max260/max262的C语言程序，keil调试，有2个警告，欢迎下载。max262和max260/max261的写入方式不同。max260和max261/max262器件引脚不同-SCM max261/max260/max262 the C language program, keil debugger, have two warnings, welcome to download. max262 and max260/max261 write in different ways. max260 pin devices and different max261/max262