这是一篇关于keilc的调试帮助文件，该文件详细列举了调试过程中可能出现的问题，并提出了解决方法，对读者有很大的帮助．...

运用51单片机同时产生64K和8K方波。-The use of 51 MCU while producing 64K and 8K square-wave

1.电子琴功能 用实验板上K1~K7作为电子琴的7个按键，每个按键对应一个音符要求当按下其中一个按键，就通过P2.5口输出对应频率信号使蜂鸣器发出特定音符声音。 2.乐曲演奏 若按下K8键，完成自动弹奏“送别”歌曲。 -1. Organ function of the experimental board K1 ~ K7 as the organ of the seven buttons, each button corresponds to a note of which require that when the press of a button, on the adoption of P2.5 port output frequency signal corresponding to a specific note to the buzzer sounds . 2. Music playing, if pressed K8 button to complete the auto-play " Farewell" songs.

基于pic单片机的嵌入式系统的以太网通信的软件程序，可以实现pic单片机以太网开发板的网络功能，以及学习TCP/IP协议栈的使用方法-Pic based on the Embedded System Single Chip Ethernet communications software program, can achieve single-chip Ethernet development board pic of network functions, as well as learning TCP/IP protocol stack to use

This directory contains 3 file system modules: - file system ISO9660 iso9660.c iso9660.h - file system FAT12/16 fat.c fat.h - file system FAT32 fat32.c fat32.h file.c and file.h contains all high levels functions/macro/definition for your application. fs_variable.c contains all definitions of variables that can be shared with the all file systems. config.h must contain the definition of the file system used by your application.- This directory contains 3 file system modules:- file system ISO9660 iso9660.c iso9660.h- file system FAT12/16 fat.c fat.h- file system FAT32 fat32.c fat32.h file.c and file.h contains all high levels functions/macro/definition for your application. fs_variable.c contains all definitions of variables that can be shared with the all file systems. config.h must contain the definition of the file system used by your application.

c8051f020键盘和显示器源码，用hd7129来驱动-C8051f020 keyboard and display the source code used to drive hd7129

串行DA，MAX549PDF及汇编原程序，测试成功。51控制。-serial DA, and the compilation of the original MAX549PDF procedure, tested successfully. 51 control.

一个单片机控制的SIMCOM的C语言处理程序-a microcomputer control SIMCON the C language processing

MSP430F449与DS18B20驱动程序-MSP430F449 and DS18B20 driver

cypress ez-usb fx usb-i2c-out 源码-cypress ez-usb fx usb- i2c-out source

电子书籍，《单片机的C语言应用程序设计》，很不错的。-electronic books, "SCM C language application design" very good.