PC8523-1 데이터 시트보기 (PDF) - NXP Semiconductors.

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PC8523-1

Real-Time Clock (RTC) and calendar

NXP Semiconductors. 

NXP Semiconductors

PCF8523

Real-Time Clock (RTC) and calendar

8.5.2.1 Standard mode

If VDD > VBAT OR VDD > Vth(sw)bat, the internal power supply is VDD.

If VDD < VBAT AND VDD < Vth(sw)bat, the internal power supply is VBAT.

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Fig 9. Battery switch-over behavior in standard mode and with bit BSIE set logic 1

(enabled)

PCF8523

Product data sheet

All information provided in this document is subject to legal disclaimers.

Rev. 7 — 28 April 2015

© NXP Semiconductors N.V. 2015. All rights reserved.

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