Datasheet Details
Part number:
PCF8523
Manufacturer:
File Size:
672.18 KB
Description:
Real-time clock/calendar.
Datasheet Details
Part number:
PCF8523
Manufacturer:
File Size:
672.18 KB
Description:
Real-time clock/calendar.
PCF8523, Real-Time Clock/Calendar
The PCF8523 is a CMOS1 Real-Time Clock (RTC) and calendar optimized for low power consumption.
Data is transferred serially via the I2C-bus with a maximum data rate of 1000 kbit/s.
Alarm and timer functions are available with the possibility to generate a wake-up signal on an interrupt pin.
An offse
PCF8523 Features
* Provides year, month, day, weekday, hours, minutes, and seconds based on a 32.768 kHz quartz crystal
* Resolution: seconds to years
* Clock operating voltage: 1.0 V to 5.5 V
* Low backup current: typical 150 nA at VDD = 3.0 V and Tamb = 25 C
* 2 line bidirectional 1 MHz Fast-m
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