AN41908A

说明：  ADI 公司的高精度、三相电能测量芯片 ADE7878 进行电能计量，包括有功、无功和视在电能的计量。实现了电压、电流有效值测量，功率因数测量，以及电压跌落、过压和过流检测、相序检测等电能质量测量功能(ADE7878 goes beyond Class 0.2 Accuracy specification for Active Power Improves Active energy accuracy over line frequency to 0.1% for +/-10% line frequency)

利用AT89c52实现对AD9850的控制，使之输出各种波形，常用在仪器仪表中(Using AT89c52 achieve AD9850 control, so that the output of various waveforms used in the instrumentation of)

If you are a beginner in ARM microcontrollers I recomend you to get this board STM32F103RBT6 Mini STM32 Development Board ARM Cortex-M3 ebay the program was built on the ARM compiler Keil and make to blink the Led on the board

stm32 FMSC接口操作NANDFLASH,实现了坏块管理、地址映射文件系统操作(stm32 FMSC interface operation NANDFLASH, realized the bad block management, address mapping file system operations)

2378 example code - flash led

哈工大嵌入式实验，基于ARM写一个简单计算器的实验，(HIT the embedded experiment, based on the ARM write a simple calculator experimental)

详细的介绍了STM32芯片的结构，以及固件库和编程方法。(Detailed introduction STM32 chip structure, and firmware libraries and programming methods.)

自适应PID控制算法、自适应pid源码、C语言实现、(Adaptive PID source code)

STM32的红外线接收头文件，使用了STM32的中断作为接收解码。(Infrared receiver files the STM32, STM32 interrupt used as a receiver decoding.)

STM32通过RMII接口连接LAN8720实现网络通信(STM32 through RMII interface LAN8720 network communication)