The three versions of RTC have an impressive list of features, shown in Figure 2.
三个版本的RTC有一系列令人印象深刻的特性，如图2所示。
Loss of chip POWER will result in complete loss of all RTC register contents.
芯片的断电将使RTC寄存器的内容完全丢失。
Loss of chip POWER will result in complete loss of all RTC register contents.
芯片的断电将使RTC寄存器的内容完全丢失。
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