这是一个用C语言写的51单片机的51串口通信的程序，里面有非常详细的注释...

该 程序 ADUC824-The program ADUC824

本代码基于凌阳SPCE061A芯片，实现单段录音功能，并可重复播放所录语音。-Based on this code SPCE061A Sunplus chip, to achieve single-stage sound recording function, and repeat playback recorded voice.

单片机相关资料，应该是初学者的良师益友。-SCM-related information, should be a mentor for beginners.

I2C接口AD转换器ADS11XX的应用，c51原代码调试通过，放心使用。-I2C interface AD converters ADS11XX application decoder source code debugging through reassured use.

C8051F系列单片机交叉开关的配置实例-C8051F series microcontrollers crossbar switch configuration examples

基于DS12887的多功能电子智能时钟，51控制 LCM-12864-ST7920显示，应用类型齐全。-DS12887-based multi-functional electronic smart clock, 51 control LCM-12864-ST7920 showed complete application types.

MSP430 系列超低功耗16位单片机原理与应用-MSP430 family of ultra low-power 16-bit single-chip Principle and Application

本代码是本人毕设所做的GPRS数传系统的软件部分，实现了PPP，UDP，IP协议的分层和打包，实现了嵌入式设计中的UDP/IP协议栈-the code is completed, I set up the GPRS data-transmission system software, to achieve the PPP, UDP, IP protocol layering and packaged to achieve the design of embedded UDP/IP protocol stack

Michael J. Pont 的嵌入式系统编程讲座2， 8051CPU，keil开发环境。英文的，通俗易懂。-Michael J. Pont Embedded Systems Programming Lecture 2,8051 CPU, keil development environment. English, user-friendly.

高精度实时时钟-SD2001驱动程序，在要求较高精度的地方可以作为参考资料。-High-precision real-time clock-SD2001 driver in place require a higher accuracy can be used as reference materials.