Datasheet

PCF8563 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 10 — 3 April 2012 3 of 50
NXP Semiconductors
PCF8563
Real-time clock/calendar
6. Block diagram
(1) C
OSCO
; values see Ta ble 3 0.
Fig 1. Block diagram of PCF8563
001aah658
PCF8563
OSCILLATOR
32.768 kHz
DIVIDER CLOCK OUT
INTERRUPT
CLKOUT
INT
MONITOR
POWER ON
RESET
WATCH
DOG
I
2
C-BUS
INTERFACE
OSCI
SCL
SDA
OSCO
V
DD
V
SS
TIMER FUNCTION
TIMER_CONTROL0E
TIMER0F
CONTROL
CONTROL_STATUS_100
CONTROL_STATUS_201
CLKOUT_CONTROL0D
TIME
VL_SECONDS02
MINUTES03
HOURS04
DAYS05
ALARM FUNCTION
MINUTE_ALARM09
HOUR_ALARM0A
DAY_ALARM0B
WEEKDAY_ALARM0C
WEEKDAYS06
CENTURY_MONTHS07
YEARS08
(1)