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RV-8564 数据表(PDF) 18 Page - MICORO CRYSTAL SWITZERLAND

部件名 RV-8564
功能描述  I2C-Bus Interface Real Time Clock
PDF  40 Pages
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制造商  MICROCRYSTAL [MICORO CRYSTAL SWITZERLAND]
网页  http://www.microcrystal.com
标志 MICROCRYSTAL - MICORO CRYSTAL SWITZERLAND

RV-8564 数据表(HTML) 18 Page - MICORO CRYSTAL SWITZERLAND

Back Button RV-8564 Datasheet HTML 14Page - MICORO CRYSTAL SWITZERLAND RV-8564 Datasheet HTML 15Page - MICORO CRYSTAL SWITZERLAND RV-8564 Datasheet HTML 16Page - MICORO CRYSTAL SWITZERLAND RV-8564 Datasheet HTML 17Page - MICORO CRYSTAL SWITZERLAND RV-8564 Datasheet HTML 18Page - MICORO CRYSTAL SWITZERLAND RV-8564 Datasheet HTML 19Page - MICORO CRYSTAL SWITZERLAND RV-8564 Datasheet HTML 20Page - MICORO CRYSTAL SWITZERLAND RV-8564 Datasheet HTML 21Page - MICORO CRYSTAL SWITZERLAND RV-8564 Datasheet HTML 22Page - MICORO CRYSTAL SWITZERLAND Next Button
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Micro Crystal
Real Time Clock / Calendar Module
RV-8564
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9.2. VOLTAGE LOW DETECTOR AND CLOCK MONITOR
The RV-8564 has an on-chip voltage low detector. When VDD drops below VLOW, the VL (Voltage Low) flag is set to
indicate that the integrity of the clock information is no longer guaranteed. The VL flag can only be cleared by using
the interface.
The VL flag is intended to detect the situation when VDD is decreasing slowly; for example under battery operation.
Should the oscillator stop or VDD reach VLOW before power is reasserted, then the VL flag will be set. This indicates
that the time is possibly corrupted.
9.3. SETTING AND READING THE TIME
Data flow and data dependencies starting from 1 Hz clock tick



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