PCA21125
PCA21125 is SPI-bus Real-Time Clock/calendar manufactured by NXP Semiconductors.
SPI-bus Real-Time Clock and calendar
Rev. 2
- 25 November 2014
Product data sheet
1. General description
The PCA21125 is a CMOS1 Real-Time Clock (RTC) and 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. Alarm and timer functions are also available with the possibility to generate a wake-up signal on the interrupt pin.
For a selection of NXP Real-Time Clocks, see Table 46 on page 41
2. Features and benefits
- AEC Q100 pliant for automotive applications.
- Provides year, month, day, weekday, hours, minutes, and seconds based on
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