4×4矩阵键盘键值LCD1602显示（汇编语言）,单片机的键盘基础设计...

AD转换器MAX127驱动程序（ KEIL C51 ）-AD converters MAX127 driver (KEIL C51)

It is C++ codes, include CRC, Oder, search table, and so on.-codes, include CRC, Oder, search table, and so on.

一键多功能程序，适合初学者参考，经过验证，正确实现了功能！-One key multi-functional procedures, suitable for beginners and reference, after verification, the correct realization of the functional!

利用Atmel89C51、按键、蜂鸣器设计能播放十首歌曲的音乐播放系统，LCD能显示播放歌曲名-Use Atmel89C51, button, buzzer designed to play 10 songs music player system, LCD can display broadcast the song name

使用AVR芯片MEGA16同时产生三路完全同步pwm频率波，1MHZ,1KHZ,1HZ.使用CVAVR软件编译-use AVR chip MEGA16 to generate three synchronous pwm of 1MHZ,1KHZ,and 1HZ。compiled by CVAVR

针对philips的51单片机LPC931的具体应用的例子。实现对uart, spi, i2c等硬件资源的操作。还有针对小内存单片机操作系统的实现。-against Philips Microcontroller 51 LPC931 the specific application examples. Implementation of UART, 20, i2c hardware resources operation. There are small memory microcontroller operating system is achieved.

IRQ4中断有三个中断源：1KHz、2Kz和4KHz,每一个中断分别控制与IOA0-IOA1,IOA2-IOA3和IOA4-IOA7相连的LED灯-IRQ4 interrupt has three interrupt sources: 1KHz, 2Kz and 4KHz, each interruption of the respective control and IOA0-IOA1, IOA2-IOA3 and IOA4-IOA7 connected LED lights

采用12位MAX 197对外部信号采样。采用全周波傅立叶积分算法，对采样信号进行处理，对电力系统的电压有效值、功率等特征量进行实时在线监测；采用全数字测量法测量相位差；并采用自适应技术调整采样间隔，消除非同步采样对计算造成的误差，利用PIC18F458捕获功能实时监测电力系统频率波动，修订采样间隔。分析了各量的测量误差，均达到标准。并提供友好的人机交互界面。-used 12 MAX 197 pairs external signal sampling. Using Fourier-Cycle Integration Algorithm for the sampling signal processing, power systems to the RMS voltage, power characteristics of the volume in real-time on-line monitoring; All digital measuring method phase difference; Adaptive technology and the sampling interval, the elimination of non-synchronous sampling of the calculation error using PIC18F458 capture real-time monitoring of power system frequency fluctuations amended sampling interval. The analysis of the measurement error are up to standard. And to provide a friendly man-machine interface.

用单片机配置FPGA，英文，不用说了吧，呵呵，快下吧-MCU FPGA configuration, English, needless to say, all right, what are you fast

keil C51 Safter－Switch事例-keil C51 Safter-Switch case