精度为20位的数模转换芯片CS5503数据手册，有需要的朋友可以下来...

主要功能是实现16*16LED阵列的汉子显示，程序简单易懂，适合刚刚接触单片机和c语言的学者-Main function is to achieve 16* 16LED array guy show, the program simple and easy to understand, for just contact with scholars of microcontroller and c language

在C8051F930单片机上，利用端口匹配和PCA实现按键的长按、短按功能。-In the C8051F930 microcontroller, using the port matching and PCA to achieve a long button press, short press functions.

c51串口编程的例子，为新手提供好的编程手法和技巧。-decoder serial programming examples for the newcomers to provide good programming practices and skills.

the program is for contral system , using the PID.

单片机协议栈(TCP/IP)-MCU protocol stack (TCP/IP)

freescale hc12_C32 例程-Freescale hc12_C32 routines

擦除DS12C887时钟芯片的内部数据存储空间-Erase the internal clock chip DS12C887 data storage space

基于转换器的压力测量与精度分析-converters based on the pressure measurement and analysis accuracy

//115.2k串行口通信程序，校验方式为简单双向校验, //而且是必要的，因为任何采用中断、crc等的方法 //均很难保证速度和避免错误. //总体速度5KB/秒 //单片机程序 //使用22.1184晶振-//115.2k serial port communication procedures and testing methods for the simple two-way check,// it is necessary, because any interruption used, the method crc// it is very difficult to ensure speed and avoid mistakes.// Overall speed 5KB/s// MCU procedures// crystal use 22.1184

单片机常用程序集锦。有了它，以后写程序就方便多了。-Single-chip Collection of commonly used procedures. With it, after the writing process much more convenient.