基于并口的SPI总线93CXX的读写程序

标准IIC协议通信程序，能读写EEROM、实时时钟，使用方便，可靠！-Standard IIC protocol communication procedures, can read and write EEROM, real-time clock and easy to use, reliable!

最新的万年历算法，新编万年历星期速算法C语言的实现(hotpower).ZIP-latest hefty almanac algorithm, the newly hefty almanac weeks-speed algorithm C implementation (hotpower). ZIP

老外做的软件实现DTMF-foreigner Software DTMF

芯片HT1623驱动段码液晶屏显示；通过开辟显存区；利中断定时刷新三排数码管显示；-Chip HT1623 Drive Segment LCD display through the creation of memory area Lee interrupted refresh three rows of digital tube display

飞思卡尔12的定时器功能，能实现周期的定时，12定时器的基本功能-Freescale 12 timer function, can achieve cycle time, the basic functions of the timer 12

51的4*4键盘驱动当按键按下时返回一个值，且只在按下键时返回一次该值，之后返回0；无按键时返回0；包含消抖功能，在键盘的下降沿触发。 基于keil平台-51 4* 4 keyboard driver when the button is depressed to return a value, and press the button only once the value to return, followed by return 0 no keys to return 0 contains extinction Buffeting function, the falling edge trigger at the keyboard. Keil-based platform

一个C语言编写的单片机控制外部灯的代码-a C language prepared by the external lights SCM control code

MSP430串行异步通讯实现源程序，这个是一段简单的完整通讯程序，实现功能：将接受的数据原样送回-MSP430 serial asynchronous communication source realize that this is a simple and complete the communication process, the realization of functions: data will be accepted as returned

C8051F040 SMBUS/// /////主机接收调试程序-C8051F040 SMBUS//////// receiving host debugger

利用单片机51加sl811芯片实现对u盘读写的控制，代码仅供大家参考，如有不对之处，敬请谅解-Sl811 increase the use of single-chip 51 chip on the u disk read and write control code for your reference, if doing so after updating