usb 68013A芯片原理图和PCB图

实用单片机电子钟的制作汇编源程序,有需要的可以下载,很经典的.-Practical production of single-chip electronic bell compilation source, are in need can be downloaded, it is classic.

因需要，单片机的键盘扫描和数码管显示共用一口，用定时器实现，原创-Due to the needs of single-chip microcomputer keyboard scanning and sharing a digital tube display with a timer to achieve the original

在超低功耗单片机MSP430上实现日历时钟的功能的代码,用汇编和C混合编程.是学习MSP430单片机和混合编程的好例子-In the ultra-low power MSP430 microcontroller to achieve the function of the calendar clock code, compile and C mixed programming. Is to learn MSP430 microcontroller and a good example of mixed programming

瑞萨7709系列高档单片机串口通信的工程文件，实现简单的单片机与PC之间的串口通信-Renesas 7709 series high-end single-chip serial communication engineering documents, to achieve a simple and single-chip serial communication between PC

正弦波(三角波）发生器程序，可产生三角波，很实用-Sine wave (triangular wave) generator

51单片机控制网卡实现上网程序代码，编译环境为Keil C51-51 MCU control card online code, compile environment for the Keil C51

日历时钟DS12887控制实验 实验步骤 （1）连CZ1→CZ7，/IRQ(MC3)→P3.2。 （2）运行程序CLOCK.ASM，主机提示"SE――"等待键输入，①如按F0/EX，则读取显示当前已设置的日历钟。②如按数字键、再按SCAL键，则重新设置日历，例如设置日历为2002年02月22日，只需输入02 02 22即可，20为固定设置，不需输入。-Calendar Clock DS12887 control experiment experimental steps (1) even CZ1 → CZ7,/IRQ (MC3) → P3.2. (2) run the program CLOCK.ASM, host prompt

在本实验中将学习如何利用 CC2420 的地址译码功能来接收基于IEEE802.15.4 的标准 帧。CC2420 在硬件上支持地址译码，可以在MDMCTRL0 寄存器中进行设置，-In this experiment to learn how to use the CC2420 will be the address decoding function to receive a standard based on IEEE802.15.4 frame. CC2420 hardware support for address decoding, you can MDMCTRL0 register set,

CAN总线原理和应用系统设计-邬宽明 网评很好的一本书，电子版的很难找，CAN总线开发的经典教科书-Principle and Application of CAN Bus System Design- Wu Kuan-ming network assessment a very good book, the electronic version of the hard to find, CAN Bus development of the classic textbook

DES加密算法的－－51单片机C语言程序-DES encryption algorithm- 51 single-chip C Language Program