液晶显示模块与单片机接口技术

电机驱动电路 提供了H桥电路设计的几点思路和PWM的实现方法以。-Motor drive circuit provides the H bridge circuit design ideas and ways to realize the PWM.

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.

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Point RTOS 主要是一个针对小系统开发而设计的实时操作系统。 目前，Point RTOS 仅提供对51系列及其扩展系统单片机的支持， 针对51内核函数不能重入以及51单片机的内存空间管理方式等因素， RTOS放弃了抢先式内核的调度，而使用了时间片的调度方式，除非任务主动放弃， 否则任务将独占CPU一直运行，因而任务中必须完成对本次操作的时间片设置，即等时间的设置。-Main Point RTOS is a small system development and design of real-time operating system. At present, Point RTOS only provide for 51 series and its expansion of the system single-chip support for 51 core function should not re-entrant, as well as 51 single-chip memory space management and other factors, RTOS abandoned preemptive kernel scheduling, the use of a scheduling time slice manner, unless voluntarily chose to abandon the mission, or mission will be exclusive CPU has been running, which must be completed in the mission of this operation time slice settings, that is, the time settings.

基于单片机的温度检测，可以用proteus进行仿真-Temperature detection based on single chip can be used proteus simulation

51系列单片机用数码管显示外来频率，最高9999，-The highest frequency with a digital LED display 9999

使用的是arm单片机LPC2210，进行AD 转换，使用ADC模块进行电压测量，有多个程序模块-use of the arm LPC2210 MCU for AD conversion, ADC module for use voltage measurement, there are a number of program modules

51单片机程序，ASM版，前一个是C版，请多提意见-51 SCM program, ASM version is the C version of the previous, please speak up

一个用于单片机的键盘驱动程序，用C51编写-One for single-chip microcomputer keyboard driver, using C51 prepared