NXP Semiconductors
PCF2129T
Accurate RTC with integrated quartz crystal for industrial
VDD = VBBS
VBAT
Vth(bat)low
(= 2.5 V)
BLF
INT
internal power supply (= VBBS)
VBAT
Fig 8. Battery low detection behavior with bit BLIE set logic 1 (enabled)
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PCF2129T
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 12 February 2013
© NXP B.V. 2013. All rights reserved.
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