这是一个msp430单片机与上位机通信的程序，是用IAR编程环境开发的，是C语言代码，非常好用...

SD卡的简单介绍，包括SD卡的分类，协议，脚位定义等。-SD card, a brief introduction, including the SD card classification, protocol, pin definitions.

msp430F149 框架模块程序，很好用-framework msp430F149 module procedures, very good use

该时钟以24小时制显示时间，并可显示2000年至2049年之间的任何日期及星期，日期与时间经按键可相互切换，可输入8个闹钟时间设置，每个闹钟设置包括响铃的时间（小时与分钟）、对工作日有效还是对周末有效的标志，以及本项设置是否启用的标志等三部分。这8个闹钟设置均保存在EEPROM中，即使掉电也不用重新输入。-The 24-hour clock to display time, and shows from 2000 to 2049 and any date between the weeks, the date and time as may be mutually switch button, enter the eight alarm time settings, each set including the ringing of an alarm clock Duration (hours and minutes), the effective working days or weekends effective road signs, as well as whether or not to enable this setting, such as a symbol of three parts. This 8 alarm settings are stored in EEPROM, even brown-out do not have to re-enter.

这是单片机中关于ADC0809的源程序，经测试过的，没有错误-This is a single-chip on the ADC0809 source, have been tested before, and no error

基于8051单片机的模拟PS/2键盘的驱动程序，使用keil c51编译。-based on the simulation of 8051 PS/2 keyboard-driven procedures, the use of c51 Keil compiler.

在单片机上实现电子书功能，带proteus仿真 -In the realization of electronic functions on single chip with proteus simulation

C51 七种实用子程序集 1-C51 seven practical subroutine sets a practical subroutine sets

基于MCS―51系列单片机的燃气智能系统的开发应用-Based on MCS-51 series single-chip gas development and application of intelligent systems

这是一个课程设计---数字电压表基于MCS51和AD0809的源码-This is a curriculum design- digital voltage meter and the AD0809 based on the source MCS51

basic compiler for 8051