Part number:
PCF2123
Manufacturer:
NXP ↗ Semiconductors
File Size:
839.21 KB
Description:
Spi real time clock/calendar.
Datasheet Details
Part number:
PCF2123
Manufacturer:
NXP ↗ Semiconductors
File Size:
839.21 KB
Description:
Spi real time clock/calendar.
PCF2123, SPI Real time clock/calendar
The PCF2123 is a CMOS1 Real-Time Clock (RTC) and calendar optimized for low power applications.
Data is transferred serially via a Serial Peripheral Interface (SPI-bus) with a maximum data rate of 6.25 Mbit/s.
An alarm and timer function is also available providing the possibility to generate a wake
PCF2123 Features
* Real time clock provides year, month, day, weekday, hours, minutes, and seconds based on a 32.768 kHz quartz crystal
* Low backup current while running: typical 100 nA at VDD = 2.0 V and Tamb = 25 C
* Resolution: seconds to years
* Watchdog functionality
* Freely programmable
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