P87C591的a/d 转换程序，可在keil 51下调试运行，也可将其参数修改后作为函数使用。...

8051运算类子程序，包括双字节乘法子程序、多字节数乘10子程序、多字节无符号数出除法子程序、多字节ＢＣＤ码减法子程序、多字节ＢＣＤ码取补子程序、多字节ＢＣＤ码左移十进制一位（乘十）子程序。-8051 subroutine computing category, including double-byte multiplication subroutine, multi-byte count by 10 subroutines, multi-byte unsigned number of the division subroutine, multi-byte BCD subtraction subroutine code, code access multi-byte BCD complement subprogram, multibyte BCD code to the left of a decimal (by ten) subroutine.

关于来电识别的程序-on caller identification procedures

标准NEC格式红外发送库文件，AVR平台，开发环境中提取，拿来就用。-The standard NEC format for infrared send the library file, AVR platform, development environment to extract, brought to use.

LCD模块 能够在按下一个键后 在液晶上显示相应的数据 -LCD module can press a button and the LCD display on the corresponding data

此程序为AD9850（DDS）直接数字频率合成器C语言源码。用125M的有源晶振，频率无失真输出可达到40M。该程序包括FYD12864LCD显示程序加4X4矩阵键盘扫描，可步进1M，1K，和任意频率输入。及相位设置。-This procedure for the AD9850 (DDS) Direct Digital Frequency Synthesizer C language source code. With 125M active crystal, the frequency output can be achieved without distortion 40M. The process includes the display program FYD12864LCD plus 4X4 matrix keyboard scanning, may be stepping 1M, 1K, and arbitrary frequency input. And phase settings.

一个采用C8051F020+CH372实现的带USB功能的流量测控系统，包括C8051F020的AD/DA/串口编程、触摸屏的串口编程、CH372实现的USB接口编程（原创）等。这些源代码已在某产品中使用。-A used C8051F020+ CH372 achieved with USB function of flow measurement and control system, including the C8051F020 the AD/DA/serial programming, the serial touch-screen programming, CH372 realized USB Interface Programming (original) and so on. These source code has been used in a product.

pic单片机串口通信调试程序，单片机收到上位机命令后发送数据-Single-chip serial communication pic debugger, single-chip PC orders received after sending data

时钟程式，单片机开发，时间控制时钟，定时，报警-Clock program, microcontroller development, time control clock, timer, alarm

AVR单片机学习的一本好书，对AVR系列单片机学习、设计做了很好的讲解-AVR learning a book series of AVR microcontroller study, a very good design on the

单片机驱动162芯片典型程序，简单明了。-Single-chip driver 162 chipset typical procedure, simple and clear.