PCF85263A Overview
The PCF85263A is a CMOS1 Real-Time Clock (RTC) and calendar optimized for low power consumption and with automatic switching to battery on main power loss. The RTC can also be configured as a stop-watch (elapsed time counter). Three time log registers triggered from battery switch-over as well as input driven events.
PCF85263A Key Features
- UL Recognized ponent (PCF85263ATL)
- Provides year, month, day, weekday, hours, minutes, seconds and 100th seconds based on a 32.768 kHz
- Stop-watch mode for elapsed time counting. From 100th seconds to 999 999 hours
- Two independent alarms
- Battery back-up circuit
- WatchDog timer
- Three timestamp registers
- Two independent interrupt generators plus predefined interrupts at every second, minute, or hour
- Frequency adjustment via programmable offset register
- Clock operating voltage: 0.9 V to 5.5 V