单片机 步进电机控制原代码

提供了一个简单的KEIL C51工程模板，包含最基本的函数以及宏定义，简化KEIL C51开发过程。-Provides a simple template KEIL C51 project, including the most basic function and macro definitions, to simplify the development process KEIL C51.

DDS芯片9851的驱动程序~用来产生不同频率的正弦波波形~-DDS chip driver 9851 ~ used to generate different frequencies of sinusoidal waveform ~

595数码管驱动，用于51单片机，使用3个io口，串行驱动数码管-595 digital tube-driven, for 51 MCU, using 3 io port, serial driver digital tube

cortex-m3 下载程序,用于将代码烧入-cortex-m3 downloader

AD9850 DDS控制子程序 经常做其他的单片机实验，还没做过DDS的实验。最近打算写个程序试验一下。 -AD9850 DDS control subroutine Singlechip often to do other experiments, not yet done DDS experiment. The recent plan to write a program to test.

89c51详细介绍-89c51 in detail introduced

在keil-ARM环境下对ARM7处理器编译成功的I2C总线程序，程序通过I2C总线向UART串口发送数据，验证了I2C总线程序的正确性。-Keil-ARM in the circumstances of the ARM7 processor to compile the success of I2C bus procedures, procedures for the adoption of I2C serial bus to send data to the UART, I2C bus to verify the correctness of the procedure.

数字频率合成器DDS9851控制系统的单片机源代码，键盘输入频率，液晶显示，并实时输出所需频率，该系统可选择输出方波和正弦波。-Digital Frequency Synthesizer Singlechip DDS9851 control system source code, keyboard input frequency, liquid crystal display, and real-time output frequency required, the system can choose the output square wave and sine wave.

ST-LINKII-KEIL 驱动 拷贝到keilarmin目录下 keil 3.22a以上版本-ST-LINKII-KEIL-driven copy to keilarm in directory keil 3.22a above

atmel公司atmega单片机bootloader的源代码-ATmega Atmel single-chip companies bootloader source code