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PCF8523TS/1 Datasheet(PDF) 3 Page - NXP Semiconductors

Part # PCF8523TS/1
Description  Real-Time Clock (RTC) and calendar
PDF  75 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCF8523TS/1 Datasheet(HTML) 3 Page - NXP Semiconductors

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PCF8523
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2012. All rights reserved.
Product data sheet
Rev. 4 — 5 July 2012
3 of 74
NXP Semiconductors
PCF8523
Real-Time Clock (RTC) and calendar
6.
Block diagram
Fig 1.
Block diagram of PCF8523
013aaa305
PCF8523
OSCILLATOR
32.768 kHz
DIVIDER
CLOCK OUT
INTERRUPT
INT2
POWER-ON
RESET
I2C-BUS
INTERFACE
OSCI
SCL
SDA
OSCO
VBAT
VDD
VSS
COSCI
COSCO
BATTERY
BACKUP
SWITCH-OVER
CIRCUTRY
CLOCK
CALIBRATION
OFFSET
SYSTEM
CONTROL
REAL-TIME
CLOCK
ALARM
TIMER
&
INT1/CLKOUT
CLKOUT



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