描述msp430的端口控制以及频率设定 的一个简单程序

MSP430F21x1 Architecture Summary

用单片机AVR控制PCF8563时钟芯片的运行，通过I2C对其进行读写控制！-AVR MCU PCF8563 clock chip to control the operation, through the I2C control of their reading and writing!

详细地列举了芯片封装的发展历史。可作趣味性了解。-detailed list of chip packaging development history. For fun understanding.

用RC500开发IC卡读卡器的源码函数资料-RC500 development with IC card reader function of the source data

基于51单片机的多功能数字钟。时间，年月日，多组闹钟，议程。且外接24C04的EEPROM后可保存设置。蜂鸣器由I/O口接三极管放大后驱动。-51 microcontroller-based multifunctional digital clock. Time, date, multiple alarm clocks, and the agenda. 24 C04 and external EEPROM kept after setting up. The buzzer sounded by the I/O access triode mouth amplified drive.

可控硅及其触发系统的文章具有一定的参考价值-SCR and its trigger system of the article has a certain reference value

多种A/D转换芯片在MCU应用中的驱动程序，C语言原代码-multiple A/D converter chip MCU application of the driver, the original C language code

单片机串口通信以及步进电机的c语言程序，为学习单片机和嵌入式开发的人提供帮助-Microcontroller serial communication, as well as stepper motor c-language program, in order to study the development of microcontroller and embedded in helping people

接上级主管部门通知，为了保障奥运会的网络信息安全，净化网络环境，促进互联网信息服务健康有序发展，从即日起至2008年9月20日，我司将对所有接入的网站进行网络信息安全的彻底排查。-Then the competent authorities to inform their superiors, in order to protect the Olympic Games in network information security, clean up the network environment and the promotion of the Internet Information Service healthy and orderly development, and from now until September 20, 2008, I will have all access to the Division

DS12877A驱动程 DS12877A驱动程-DS12877A driver DS12877A driver