It is helpful to the designer of serial interface communication program of the real time clock device.

该方法对于实时时钟器件串行接口通信程序的设计具有一定的借鉴作用。

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This is a very practical integrated circuit of the real-time clock in the industrial control, detection and management of production.

在工业控制、检测及生产管理中，这是一种非常实用的实时时钟集成电路。

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However, in common embedded system, the real-time clock interrupt will wake up the CPU rapidly and periodically even there is no other devices' interrupt. That will increase system power consumption.

但在一般的嵌入式系统中，当系统进入IDLE状态后，即使没有其他设备中断，实时时钟中断也会不断唤醒CPU，这样就会大大增加系统的功耗。

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However, in common embedded system, the real-time clock interrupt will wake up the CPU rapidly and periodically even there is no other devices' interrupt. That will increase system power consumption.

但在一般的嵌入式系统中，当系统进入IDLE状态后，即使没有其他设备中断，实时时钟中断也会不断唤醒CPU，这样就会大大增加系统的功耗。

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