扩展SPI接口的实时时钟芯片（RTC CLOCK）HT1380、DS1302和E2PROM芯片93Cxx 扩展1个总线型的实时时钟芯片（RTC CLOCK）DS12887；
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RTC Real Time Clock 硬件时钟
Real Time Clock RTC 实时时钟
RTC Relative Time Clock 相对时间时钟
The invention embodiment discloses a method and a device for realizing real-time clock RTC buckle function on a GPS receiver card slot.
本发明实施例公开了在GPS接收机卡槽上实现实时时钟rtc扣板功能的方法、设备。
The power manager unit and the nodes sleep period are controlled by an RTC(real time clock) chip.
实时时钟模块是典型的字符设备也是工业控制系统中的重要组成部分。
The variance could be to actual clock time if the RTC was initialized to that, or simply an error in elapsed time since the RTC was activated.
如果RTC初始化成这个时间值或从RTC激活后运行的一段时间内出现了一个错误，它们带来的变化都将影响真实的时钟时间。
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