PCF8563T Description
A calendar and Real-Time Clock (RTC) for CMOS1 with low power consumption is the PCF8563. There is also a voltage-low detector, an interrupt output, and a programmable clock output. A two-line bidirectional bus is used to transfer all addresses and data in serial fashion. I 2C-bus. The 400 kbit/s bus speed limit applies. Each time a data byte is written or read, the register address is immediately increased.
PCF8563T Features
Timer and alarm functionalities
built-in oscillator capacitor
POR (Internal Power-On Reset)
Pin with an open-drain interrupt
PCF8563T Applications
Cellular phones
Portable equipment
Electronic measurement
Battery-operated items