The X1B000301000212 is an I2C bus interface-complaint Real-Time Clock Module which includes a 32.768kHz DTCXO. In addition providing a calendar function and a clock counter function, this module provides an abundance of other functions including an alarm function/fixed-cycle timer function/time update interruption function/32.786kHz output function. By the battery backup switchover function and the interface power supply input pin, this can support various power supply circuitries.
