【導讀】能，整點報時功能，任意設定時間的鬧鐘功能，還有就是萬年歷功能?；竞w了數(shù)字鐘的所有功能。計，仿真和下載調(diào)試。并且本文還給出了在進行設計的過程中容易犯的一些問。設計具有一定的指導意義。

　　

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