PCA2125 - NXP Semiconductors

PCA2125 SPI Real-time clock/calendar

The PCA2125 is a CMOS real-time clock/calendar optimized for low-power consumption and an operating temperature up to 125 °C. Data is transferred via a Serial Peripheral Interface (SPI) bus with a maximum data rate of 6.0 Mbit/s. An alarm and timer function are also available with the possibility to generate a wake-up signal on an interrupt pin. AEC Q100 qua.

Features

I Provides year, month, day, weekday, hours, minutes and seconds based on 32.768 kHz quartz crystal I Resolution: seconds to years I Clock operating voltage: 1.3 V to 5.5 V I Low backup current: typical 0.55 µA at VDD = 3.0 V and Tamb = 25 °C I 3-line SPI-bus with separate combinable data input and output I Serial interface (at VDD = 1.6 V to 5.5 V) I 1 second or 1 minute interrupt output I Freely programmable timer with interrupt capability I Freely programmable alarm function with interrupt capability I Integrated oscillator capacitor I Internal power-on reset I Open-drain interrupt pin 3. .