Datasheet Details
| Part number | BU9873 |
|---|---|
| Manufacturer | ROHM |
| File Size | 1.22 MB |
| Description | I2C BUS Serial Interface RTC |
| Datasheet |
 BU9873 Datasheet
|
|
|
General Description
Pin No.
The 32KOUT pin is used to output 32.768 kHz clock pulses, which is controlled by an internal register.
This pin is enabled during power-on from 0V, and is CMOS push-pull output.
Key Features
- 2 Connected to the CPU via I C Interface Time (Hour ･ Minute ･ Second, Selectable 12-Hour and 24-Hour Mode Setting) Calendar (Year･Month･Day･Week) Periodic Interrupt Function (Output from INTRB, Ranging from 1 Second to 1 Month) Alarm Interrupt Function (Day-of-Week ･ Hour ･ Minute in Setting Format, Output from INTRB) Oscillation Halt Sensing Function 32.768 kHz Clock Output (Output from 32KOUT with Control Pin) ±30 Second Adjustment Function Automatic Leap Year Recognit.