电子图书《华中理工大学出的C51教材》，很不错的。

这个是AM51S开发板的专用温度测试程序！-This is a dedicated development board AM51S temperature testing procedures!

16位计数及激光测距仪的源程序,C源代码,对学习有很好的参考价值.-16 counts and laser rangefinders of the source, C source code, to learn a good reference value.

freescale hc12_C32 例程-Freescale hc12_C32 routines

AVR icc里所有 库函数的源代码，avr单片机嵌入式-AVR icc library where all the source code, avr microcontroller embedded

at89c51单片机

流水灯,用于熟悉了解单片机,初次上手的人用-Water lights, used to become familiar with single-chip, first-to-use with

单片机做的小键盘，单片机模拟ps2接口的程序-Singlechip make a small keyboard, single-chip analog interface procedures ps2

单片机和lcd1602接口代码，提供原始代码，具有普遍性-SCM lcd1602 code, providing the original code

DAC7611，12位串口DA驱动程序，只需将代码中的四个端口按自己的电路修改就可以使用。-DAC7611, 12 bit serial DA driver, just the code of the four ports in accordance with their own modifications on the circuit can be used.

msp430f169 双线uart模式驱动12864-msp430f169 uart wire mode driver 12864