The real-time clock function is provided by the PCF8563 RTC Board, which operates independently even when the MCU is off and can be powered by an on-board battery.
I2C connector and pin-header are located on opposite sides of the PCF8563 RTC Board. Therefore, connecting the board to your development system offers greater flexibility. Additionally, by connecting the pin header and connector, the board supports I2C cascading, which enables the use of multiple modules connected to the I2C bus simultaneously.
- It operates on 3.3V
- It has 3.3V battery
- It has I2C pin Header