A replacement of the DS3231 with the same board pinout:
DS3231 | RV3032 | Description |
---|---|---|
GND | GND | GND |
VCC | VCC | 2.0-5.5V |
SDA | SDA | I2C SDA |
SCL | SCL | I2C SCL |
SQW | CLKOUT | Temperature compensated square wave |
32K | INT | DS3231: oscillator clock; RV3032: interrupt pin |
Board dimensions: 14 x 16 mm.
See schematics.pdf.