sd卡的读写程序，可以供需要研究sd卡应用项目的朋友参考。

mcf5272的引脚比较多，设计原理图的时候比较复杂，可以用该的规范原理图，protel99se格式。-MCF5272 more of the pin, when the schematic design more complicated, can be used in the schematic diagram of the specification, protel99se format.

基于AT89S51单片机和步进电机的国旗升降系统，带语音录放功能。汇编语言编写。-AT89S51-based single-chip stepper motor of the national flag and take-off and landing system, with voice recording function. Compiled languages.

SST89E58RD仿真器的制作有关的PCB,说明和监控程序,可以用来对51单片机进行仿真-SST89E58RD simulator produced the PCB, description and control procedures can be used for 51 single-chip simulation

单片机与计算机通讯源程序,含头文件,说明,本人亲自试过.-Single-chip communications and computer source code, including header files, annotations, I personally tried.

LCD12864源代码 NEC公式芯片 包括控制液晶显示屏的各个函数-LCD12864 formula for the source code NEC LCD chips including control various functions

用于储存大量数据，它有一个定时器，到一定数量，它会自动报警。-used to store large amounts of data, it has a timer, to a certain number, it will automatically alarm.

一些Ｃ语言单片机程序，有很强的实用性，对初学者很-Some C language Singlechip procedures, has strong practicality, is for beginners

用C51中I/O口摸拟串口-simulate serial port with I/O port in language of C51

12232F详细的中文说明书，可以方便控制12232FLCD-Chinese 12232F detailed description, can easily control 12232FLCD

ARM LPC2114 LCD1602源码-ARM LPC2114 LCD1602 source