PCA21125
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 compliant for automotive applications.
Provides year, month, day, weekday, hours, minutes, and seconds based on
32.
768 kHz...