IC name: PCF85163
RTC (Real-Time Clock)
16 8-bit registers
8-bit parallel registers
Century flag
Clock operating voltage: 1.8 V to 5.5 V
Provides year, month, day, weekday, hours, minutes, and seconds based on a
32.768 kHz quartz crystal
Open-drain interrupt pin
Alarm and timer functions
Internal Power-On Reset (POR)