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PCF8563T SOP8 8-bit ADC DAC Real - time Clock Timing IC chip
1. General description
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 addresses and data are transferred serially via a two-line bidirectional I2C-bus.
Maximum bus speed is 400 kbit/s. The built-in word address register is incremented
automatically after each written or read data byte.
2. Features
■ Provides year, month, day, weekday, hours, minutes and seconds based on 32.768 kHz quartz crystal
■ Century flflag
■ Clock operating voltage: 1.8 V to 5.5 V
■ Low backup current; typical 0.25 µA at VDD = 3.0 V and Tamb = 25 °C
■ 400 kHz two-wire I2C-bus interface (at VDD = 1.8 V to 5.5 V)
■ 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
■ I2C-bus slave address: read A3h and write A2h
■ 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
■ plastic small outline package; 8 leads; body width 3.9 mm
3. Applications
■ Mobile telephones
■ Portable instruments
■ Electronic metering
■ Battery powered products
4.Functional description
The PCF8563 contains sixteen 8-bit registers with an auto-incrementing address register,
an on-chip 32.768 kHz oscillator with one integrated capacitor, a frequency divider which
provides the source clock for the Real-Time Clock/calender (RTC), a programmable clock
output, a timer, an alarm, a voltage-low detector and a 400 kHz I2C-bus interface.
All 16 registers are designed as addressable 8-bit parallel registers although not all bits
are implemented. The fifirst two registers (memory address 00h and 01h) are used as
control and/or status registers. The memory addresses 02h through 08h are used as
counters for the clock function (seconds up to years counters). Address locations 09h
through 0Ch contain alarm registers which defifine the conditions for an alarm.
Address 0Dh controls the CLKOUT output frequency. 0Eh and 0Fh are the timer control
and timer registers, respectively.
The seconds, minutes, hours, days, weekdays, months, years as well as the minute alarm,
hour alarm, day alarm and weekday alarm registers are all coded in Binary Coded
Decimal (BCD) format.
When one of the RTC registers is read the contents of all counters are frozen. Therefore,
faulty reading of the clock/calendar during a carry condition is prevented.
4.1 Alarm function modes
4.2 Timer
4.3 Clock output
4.4 Reset
4.5 Voltage-low detector
4.6 Register organization
Deli electronics tehcnology Co.,Ltd. www.icmemorychip.com www.deli-ic.com Email:sales3@deli-ic.com Skype:hkdeli881 Contact: VIVI-CHEN
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Exporter,Trading Company
Year Established:
2005
Total Annual:
100000 -500000
Employee Number:
5~10
Ecer Certification：
Active Member
DELI ELECTRONICS TECHNOLOGY CO.,LTD was founded in 2005.
DELI has developed into a comprehensive supply chain of electronic components.The main business line of
the company include Integrated circuit,Thyristor,diodes,transistors,capacitors,relaysconnectors,switches,
led,sensor,in... DELI ELECTRONICS TECHNOLOGY CO.,LTD was founded in 2005.
DELI has developed into a comprehensive supply chain of electronic components.The main business line of
the company include Integrated circuit,Thyristor,diodes,transistors,capacitors,relaysconnectors,switches,
led,sensor,in...
