用于单片机32bit内的快速开方（C51）

单片机在循环显示数字列的同时，采用查询方式控制数字的显示时间和音乐播放的开关。音乐低频信号由定时器采用中断方式产生。-SCM in circulation figures out show at the same time, using figures for the control of time- and the music player switching. Music low-frequency signals used by the timer interrupt way.

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.

scan file in microstation, simple example

实现键盘码的读取，并在LED上显示。单片机部分，并在KEIL下运行-? 殚 ???? ???????邋 ?LED 邋 ???? ??机 ??殚 ????邋 ?KEIL 邋 | |

酷鱼下载线源程序，可以在线烧写芯片有AT89LS51,AT89S51,AT89LS52,AT89S52. 2. AT90CAN128，AT90S1200，AT90S2313，AT90S2323，AT90LS2323，AT90S2333， AT90LS2333，AT90S2343，AT90LS2343，AT90S4414，AT90S4433，AT90LS4433， AT90S4434，AT90LS4434，AT90S8515，AT90S8535，AT90LS8535 3. ATMEGA103，ATMEGA103L， ATMEGA128， ATMEGA128L， ATMEGA16， ATMEGA16L，ATMEGA161，ATMEGA161L，ATMEGA162，ATMEGA162V， ATMEGA163，ATMEGA163L，ATMEGA168，ATMEGA169，ATMEGA169V， ATMEGA32 ， ATMEGA32L， ATMEGA323 ， ATMEGA323L， ATMEGA48 ， ATMEGA64 ， ATMEGA64L ， ATMEGA8,ATMEAG8L ， ATMEGA8515 ， ATMEGA8515L，ATMEGA8535，ATMEGA8535L，ATMEGA88 4. ATTINY12，ATTINY12L，ATTINY13，ATTINY15L，ATTINY2313，ATTINY2313V， ATTINY26，ATTINY26L PIC 系列可ISP 单片机 5. PIC16F870，PIC16F871，PIC16F872，PIC16F873 ，PIC16F873A，PIC16F874， PIC16F874A，PIC16F876，PIC16F876A，PIC16F877，PIC16F877A-Kuyu downloaded line source, the online burning chips are AT89LS51, minicomputer, AT89LS52, AT89S52. 2. AT90CAN128, AT90S1200. AT90S2313, AT90S2323, AT90LS2323. AT90S2333, AT90LS2333, AT90S2343. AT90

12864LCD驱动非常实用KeilC51

51系列单片机实验课程：时钟程序 （显示时刻时、分、秒）-51 Series single-chip experimental curriculum: the clock program (shows time of hour, minute, second)

单片机脉搏测量仪的电路设计和源码，包括KEIL调试文件和PROTEUS仿真文件-Single-chip pulse measuring instrument circuit design and source code, including KEIL debug files and documents PROTEUS simulation

这是一个PIC实现音乐播放程序，程序是用汇编写的，调试通过-PIC to achieve this is a music player, the program is written in the compilation, debugging through

Keil C51中文使用手册-Keil C51 Chinese Manuals