实时时钟的硬件控制原理及设计方法.学习和掌握S3C44B0X处理器的RTC模块的使用,并编写应用程序,修改时钟日期及时间的设置,并使用EMBEST ARM教学系统的串口,在超级终端显示当前系统时间. -Real time clock hardware control principle and design method.To learn and grasp the RTC S3C44B0X processor module use, and writing applications, alter the date and time setting, and use EMBEST ARM teaching system of serial, in super terminal display the current system time