Datasheet Details
Part number:
PCF8563, PCF
Manufacturer:
File Size:
339.12 KB
Description:
Real-time clock/calendar.
Note:
This datasheet PDF includes multiple part numbers: PCF8563, PCF.
Please refer to the document for exact specifications by model.
PCF8563, PCF, Real-time clock/calendar
The PCF8563 is a CMOS1 Real-Time Clock (RTC) and 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 kbi
PCF8563 Features
* Provides year, month, day, weekday, hours, minutes, and seconds based on a 32.768 kHz quartz crystal
* Century flag
* Clock operating voltage: 1.0 V to 5.5 V at room temperature
* Low backup current; typical 0.25 A at VDD = 3.0 V and Tamb = 25 C
* 400 kHz two-wire I2C-bus int
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