Datasheet Details
| Part number | PCA2125 |
|---|---|
| Manufacturer | NXP Semiconductors |
| File Size | 232.86 KB |
| Description | SPI Real-time clock/calendar |
| Datasheet |
 PCA2125 Datasheet
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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.
Key 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.