Rainbow-electronics W90P710CDG Manual de usuario descargar pdf (Pagina 425)

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W90P710CD/W90P710CDG

Publication Release Date: September 19, 2006

- 425 - Revision B2

Tick Time interrupt: RTC block use a counter to calibrate the tick time count value. When the value

in counter reaches zero, RTC will issue an interrupt.

RTC register property: When system power is off but RTC power is on, data stored in RTC registers

will not be lost except RTC_TSSR, RTC_RIER and RTC_RIIR. Because of difference between RTC

clock and system clock, every time user write new data to any one register, the register will be

updated until 2 RTC clock later (60us).

In addition, user must be aware that RTC block does not check whether loaded data is out of bounds.

RTC does not check rationality between RTC_DWR and RTC_CLR either.

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Rainbow-electronics W90P710CDG Manual de usuario Pagina 425

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