标准的51单片机产生PWM波形，使用定时器LED逐步实现研究…

本程序为数码管显示处理模块 占用I/O RC3,RC4,RC5 使用RAM 节 程序包括: InitSPI 初始化SPI子程序 LEDlight 送七段码显示子程序 入口参数 LED_DATA 出口参数 无-This procedure for the digital display processing module occupied I/O RC3, RC4, RC5 use RAM section include: InitSPI initialize SPI sent to Seven-Segment Subroutine LEDlight code display subroutine parameter exports LED_DATA entrance parameters without

是对sd卡驱动的分析以及读写分析寄存器配置-Is the sd card-driven analysis and analysis of reading and writing configuration registers

MP3基于AVR的源程序，包含文件系统以及SD卡的驱动程序，并且有音频解码程序-AVR based MP3 source code, including file system, as well as SD card driver, and there are audio decoding process

DS1302实时时钟的MSP430单片机底层驱动程序 -DS1302 Real Time Clock Driver MSP430 Singlechip bottom

S3C2442的起动代码程序等。有较大的实用价值-S3C2442 starting code procedures. Have a greater practical value

24C64存储器子程序,实现串行存储,减少单片机使用资源-24C64 memory subroutines, Serial storage, to reduce the use of resources Singlechip

简易数字电压表的设计,利用单片机AT89S51与ADC0809设计一个数字电压表，能够测量0－5V之间的直流电压值，四位数码显示，但要求使用的元器件数目最少。-Simple digital voltage meter design, the use of single-chip AT89S51 with ADC0809 to design a digital voltage meter, capable of measuring between 0-5V DC voltage value, four digital display, but requires the use of minimum number of components.

比较完成的FAT文件系统与单片实验,本系统利用AVR-Comparison of completed FAT file system and single-chip experiment, the system uses AVR

键盘测试程序，包括显示 、去抖动、扫描、检测，（8051或8031）-keyboard testing procedures, including, to jitter, scanning, detection, (8051 or 8031)

本代码在凌阳单片机的编译环境下执行,主要实现的功能是双通道AD采样显示-the code in the compiler Sunplus SCM environment implementation, the main function is a two-channel AD sampling shows