Datasheet Real-Time Clock (RTC) series I2C BUS Serial Interface RTC with High-precision Oscillation Adjustment BU9873 Outline The BU9873 is a CMOS real-time clock, which has a built-in interrupt generation function.
This product is 2 connected to the CPU via I C interface, and configured to perform serial transmission of time and calendar data to the CPU.
A high-precision oscillation adjustment circuit is also integrated, which is capable of adjusting time counts with digital method, and correc