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用8253-8255编写的定时响铃程序 可以定时两个时间点，很经典的程序-spent 8253-8255 prepared by the regular beep procedures regular two points in time, classic procedures

关于AD采样的MCS51源程序，很有价值借鉴-AD sampling on MCS51 source, a valuable reference

温度芯片功能的读写程序，包括汇编原代码，可烧录文件，熟悉一线产品的读写方式-Function of the temperature reading and writing chip procedures, including the compilation of the original code, recordable document, the reader familiar with the product line approach

/* ex6-5.C - 绘图型 LCD 数字时钟 */-/* ex6- 5.C-Mapping LCD Digital Clock* /

1. 本程序实现了两个功能,即6264的随机读与写 2. 实现对同一端口既作输出又作输入,如程序中 PORTA作为数据输入输出口； 3. 测试接线方式见Proteus仿真文件。-1. This procedure has two functions, that is, 6264 randomized read and write 2. To achieve the same port for both output also for input, such as PORTA process as a data input and output port 3. Test Connection documents, see Proteus simulation.

低压电力线载波调制解调器通信运用源代码，电力猫在集中抄表中稳定使用-Low-voltage power line carrier communication modem to use the source code, the power meter reading in the cat in the concentration of Stability

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单片机模糊设计开发系统原代码-SCM fuzzy design development system source code

32位arm9微处理器S3C2410的异步串口测试源代码-32-bit ARM9 microprocessor S3C2410 asynchronous serial test source code

51 编程模板，单片机代码集合 裁减后可以方便编程-51 programming template, microcontroller code can be set after the reduction of programming convenience