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采用C51编写的基于C8051F020单片机的定时器实用程序。-using C51 prepared by the C8051F020 timers utility.

电子密码锁程序，两键输入，其中一个键累加，另一个键确认。密码正确锁打开（开锁指示灯亮）；密码错误锁关闭（关锁指示灯亮）；连续错三次则锁定键盘8秒并发出报警声。-Electronic code lock procedure, the two key input, one key additive, and the other button to confirm. The correct password to open lock (unlock indicator light) password error lock closure (Kuan-lock indicator light) consecutive wrong then lock the keyboard three times and issued eight seconds alarm sound.

提供DataFlash（AT45DB041）的底层读写驱动函数，包括内存读写，缓存读写，内存与缓存之间的数据交换等等。-provide DataFlash (AT45DB041) literacy drive the bottom function, memory read and write, read and write cache, and cache memory for data exchange between and so on.

次文章是介绍ad9851应用的，文章详细介绍了9851的功能和与51单片机的接法，还有c程序.-Second article is to introduce the application of the AD9851, the article introduced in detail the functions and 9851 MCU with 51 connection, there are c procedures.

A方向和B方向各设红（R）、黄（Y）、绿（G）和左拐（L）4盏灯，4种灯按合理的顺序亮灭，并将时间以倒计时的形式显示出来。同时要设置两个方向的紧急通道模式，当某一方向有紧急事件发生时，交警按下紧急通道按钮，该方向绿灯亮，另外一个方向红灯亮，等紧急事件解除后（假定计时10s）,交通恢复原来的状态 要求在数码管上显示两个方向的灯种和计时，实现紧急情况按钮输入功能 根据交通灯控制要实现的功能，可考虑用两个并行执行的always模块（两个进程）来分别控制A和B两个方向的4盏灯。这两个always模块使用同一个时钟信号，以进行同步，也就是说，两个进程的敏感信号时同一个 每个always模块控制一个方向的4种灯按如下顺序点亮，并往复循环：绿灯－黄灯－左拐灯－黄灯－红灯，灯亮的时间由自己设定 由于板上资源有限，如觉得实现困难，可去掉左拐灯，即顺序为绿灯－黄灯－红灯。-err

用来测量温度的DS18B20的应用程序,有这方面需要的请下来-DS18B20 used to measure temperature applications, a need, please down

２４Ｃ０２ＥＥＰＲＯＭ存储，掉电存储可反复擦写-24C02EEPROM storage, storage can be repeated write-down

智能门禁系统采用凌阳十六位单片机作为系统控制核心，利用其强大的语音识别功能，不仅实现了语音播放功能，完成了语音提示的要求，而且实现了语音控制门禁系统；利用其内置的Flash闪存，实现了密码的断电保护。除此而外，在键盘输入方面，强大的功能选择键满足了系统的要求；16*2液晶显示器的选择使操作要求清晰明了。此套智能门禁系统强烈体现了其人性化的一面-Intelligent access control system uses the Sunplus 16 single-chip system control as the core, to use its powerful voice recognition features, not only realize the voice playback, the voice prompts to complete the requirements, but also realize the voice control of access control systems the use of its Purchase of Flash memory, realize the power to protect your password. Furthermore, in keyboard input, the choice of powerful features to meet key requirements of the system 16* 2 LCD display options so that operating requirements clear. This set of intelligent access control system strongly reflects its human side

将TIDSP 转换后的H文件 再利用此程序可生成 KIEL 的HEX.文件 加载到单片机里运行-TIDSP converted to H document re-use this program KIEL generates the HEX. File loaded into the single-chip microcomputer to run

我测试通过的液晶驱动汇编程序,适用于所有不带字库的液晶,如CA12864A-I tested the LCD driver compilation procedures, applicable to all non-character LCD, as CA12864A