PCF2127 View Datasheet(PDF) - NXP Semiconductors.
Part Name
Description
MFG CO.
'PCF2127' PDF : 101 Pages View PDF
NXP Semiconductors
PCF2127
Accurate RTC with integrated quartz crystal for industrial applications
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When SI, MI, CDTIE, WD_CD[1:0], AIE, TSIE, BIE, BLIE are all disabled, INT remains high-impedance.
Fig 27. Interrupt block diagram
PCF2127 has an interrupt output pin INT which is open-drain, active LOW (requiring a
pull-up resistor if used). Interrupts may be sourced from different places:
• second or minute timer
• countdown timer
PCF2127
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 8 — 19 December 2014
© NXP Semiconductors N.V. 2014. All rights reserved.
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