【摘要】 本文介绍了一种高性能的串行带ＲＡＭ实时时钟芯片ＤＳ１３０２。在分析其工作时序的基础上设计出ＤＳ１３０２直接与ＭＣＳ５１单片机串行口连接的接口电路和通讯程序，以及ＤＳ１３０２在使用中必须注意的事项。更多还原

【Abstract】 The high performance DS1302 serial real Timekeeping Chip with RAM is introduced in the paper.Based on analyzing its time schedule,the communication interface program between DS1302 and MCS51 single chip microcontrollor is designed.In addition,some things that should be noticed are given.更多还原