1．运用单片机SCM内部的T0，T1计时计数器产生中断，并通过单片机SCM最最小系统按键产生外部中断，运用单片机SCM中断系统闹钟的走时，调整及报数功能。

-A. SCM SCM within the T0, T1 timing counter generates an interrupt and external interrupt, the use of the minimum system keys through the SCM SCM SCM SCM interrupt the travel time of the system alarm clock, adjust and report the number of functions.