主要讲述了单片机和超声波模块超声波测距，十分好。

ARM COrtex CMSIS interface example

I2C及同步传输的扩展技术-I2C synchronous transmission and the expansion of technology

51读写eeprom应用实例程序，合适初学者参考。-51 literacy EEPROM application procedures, suitable reference beginners.

4x4的键盘的程序在430单片机程序，键盘是有源的，硬件电路设置成的是上拉-4x4 keyboard program in 430 MCU program, the keyboard is active, the hardware circuit set the pull-up

I2C IP，可以直接用，有相关规范文档说明-I2C IP, can be directly used, have the relevant normative document explains

该压缩包为ARM S3C44B0的源代码，含有5个程序。分别为按键控制LED,PWM脉冲宽度调制,RTC实时时钟，UART串口通信，DMA直接内存存取等5个实验的源代码。代码以C语言为主，辅以部分ARM汇编指令。该实验开发平台为S3C44B0板，开发工具为ADS1.2.-The package for the ARM S3C44B0 compression source code, which contains five procedures. Were keys to control LED, PWM pulse width modulation, RTC real time clock, UART serial communication, DMA direct memory access, such as five experiments the source code. Code to C language, supplemented by some ARM compilation directives. The experimental development platform for S3C44B0 boards, development tools for ADS1.2.

使用61505控制其的LCD的驱动程序，已在Nios2 上调试成功 -Use the LCD to control its 61,505 drivers have been successful in Nios2 debugging

msp430f149 1602c屏幕驱动  包含AD转换，pwm,定时器，以及诺基亚5110驱动代码

计数器 同步异步预置数清零 verilog hdl 编写-Asynchrony preset counter reset the Verilog HDL few prepared

用C语言模拟I2C时序功能，已经调试通过，可以直接使用-C language simulation with I2C timing functions, has been through the debugging, you can directly use