This document is my internship source code, the development environment is Keil5...

AVR单片机开发的源代码，对于单片机开发人员有很大的帮助作用。-AVR development of the source code for the MCU developers have been very helpful.

c8051f340 USB传输 固件驱动， c8051f340 USB传输 固件驱动，-transmission c8051f340 USB drive firmware, c8051f340 USB transmission firmware-driven,

LCD字库生成 ；-LCD font generation

含多种常用液晶驱动芯片和点阵驱动程序样例,有很好的参考价值,本人特意会集上传-used with a variety of LCD driver chips and sample matrix driver, a very good reference value, I will deliberately set upload

lcd显示程序，显示图形和汉字,经典。lcd显示程序-lcd

用四位LED数码显示管显示实时时钟单片机源程序-with four LED digital display of real-time clock source SCM

一、实验任务 利用开发系统编制程序，产生三角波、锯齿波、正弦波 二、程序编制要求 分别产生三种波形，并能通过按键调节输出频率 三、改变频率的方法 改变数据送入0832的延时，即通过延时子程序的参数改变实现。延时参数的改变即通过键功能选择，用查表法将表格中的延时参数送入延时子程序。 四、程序设计提示 　　1、功能键应设四个：{ 2、功能键的选择： 采用转换设计法时，应选用键值连续的按键-genert

各种试验课件，包括ARM汇编指令，存储器，接口，时钟，数码管，液晶屏，触摸屏，USB接口，ucos移植等。-courseware for various experiments, including the compilation of ARM instructions, memory, interfaces, clocks, digital control, LCD screen, touch screen, USB, CHANGING transplantation.

C51强大功能及其高效率的重要体现之一在于其丰富的可直接调用的库函数，多使用库函数使程序代码简单，结构清晰，易于调试和维护，下面介绍C51的库函数系统。-C51 powerful features and its high efficiency in one important manifestation of its rich can directly call the library, multi-use library functions to make the code simple, clear and easy to debug and maintenance, and C51 introduced below the library system.

又一个LCD1602的例程（主要是最近正在做相关的工作），已经调试通过。-Another LCD1602 routine (mainly related to the work being done recently), have been debugging through.