pcf8563 NXP Semiconductors, pcf8563 Datasheet

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pcf8563

Manufacturer Part Number
pcf8563
Description
Real-time Clock/calendar
Manufacturer
NXP Semiconductors
Datasheet

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1. General description
2. Features
3. Applications
The PCF8563 is a CMOS real time clock/calendar optimized for low power consumption.
A programmable clock output, interrupt output and voltage-low detector are also provided.
All address and data are transferred serially via a two-line bidirectional I
bus speed is 400 kbit/s. The built-in word address register is incremented automatically
after each written or read data byte.
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
PCF8563
Real time clock/calendar
Rev. 05 — 17 July 2007
Provides year, month, day, weekday, hours, minutes and seconds based on
32.768 kHz quartz crystal
Century flag
Clock operating voltage: 1.8 V to 5.5 V
Low backup current; typical 0.25 A at V
400 kHz two-wire I
Programmable clock output for peripheral devices (32.768 kHz, 1024 Hz, 32 Hz and
1 Hz)
Alarm and timer functions
Integrated oscillator capacitor
Internal power-on reset
I
Open-drain interrupt pin
ElectroStatic Discharge (ESD) protection exceeds 2000 V Human Body Model (HBM)
per JESD22-A114, 200 V Machine Model (MM) per JESD22-A115 and 2000 V
Charged Device Model (CDM) per JESD22-C101
Latch-up testing is done to JEDEC standard JESD78 which exceeds 100 mA
Mobile telephones
Portable instruments
Electronic metering
Battery powered products
2
C-bus slave address: read A3h and write A2h
2
C-bus interface (at V
DD
DD
= 1.8 V to 5.5 V)
= 3.0 V and T
amb
= 25 C
Product data sheet
2
C-bus. Maximum

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