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PCA2125 - SPI Real-time clock/calendar

Description

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.

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 ca.

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Datasheet preview – PCA2125

Datasheet Details

Part number PCA2125
Manufacturer NXP Semiconductors
File Size 232.86 KB
Description SPI Real-time clock/calendar
Datasheet download datasheet PCA2125 Datasheet
Additional preview pages of the PCA2125 datasheet.

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Full PDF Text Transcription

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www.DataSheet4U.com PCA2125 SPI Real-time clock/calendar Rev. 01 — 28 July 2008 Product data sheet 1. General description 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 qualified for automotive applications. 2. 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.
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