电子图书《华中理工大学出的C51教材》，很不错的。

TG12864液晶显示程序，适合51,AVR,ARM等，方便做下位机开发。-LCD TG12864 procedures, suitable for 51, AVR, ARM, etc. to facilitate the development of machines to do the next bit.

CUP芯片c8051F005,型号为LCM09CY的8段式段式显示器显示程序-CUP chip, the models for the eight LCM09CY Segment Segment Display procedures

sta013mp3,很好的一个mp3例子，内有i2c,sta013等的源码。-sta013mp3 a good example of an mp3 inside i2c. sta013 the source.

D/A单片机程序，供单片机爱好者参考-D/A microcontroller procedures for SCM reference lovers

JUPITER演示程序，lcd显示图片。-JUPITER demo program, lcd display picture.

GUI快速生成，12864LCD，支持多级菜单，支持Mega系列单片机-Express GUI generation, 12864LCD, support multi-level menu, support Mega Series MCU

该程序模块包含无线收发模块 NREF905的所有功能库函数 本库函数与外部函数接口简单易用且代码规范简洁-The program module contains the wireless transceiver module NREF905 all the features of library functions of the library function and the external function interface is simple and concise code norms

此程序是430系列恒流源程序。对初学者很有帮助。-This procedure is a constant current source 430 series. Very helpful for beginners.

ucos-11在51上的移植-CENTER-11 of the 51 transplant

at89s51的中文资料，方便单片机初学者学习参考，并且翻译质量基本上可以。-English at89s51 of information for beginners to study single-chip reference, and basically the quality of translation.