The DS1302 trickle-charge timekeeping chip module with battery backup contains a real-time clock/calendar and 31 bytes of static RAM. It communicates with a microprocessor via a simple serial interface. The real-time clock/calendar provides seconds,minutes, hours, day, date, month, and year information.
1 Hz output pin SQW. 32 KHz output pin 32K. Voltage Supply: 2.2 V ~ 5.5 V (for RTC). Time Format: HH: MM: SS (12/24 hr). Date Format: YY-MM-DD-dd. DS 3231 based RTC with 2032 Battery Holder.
Product: Real??time Model Voltage Telemetry Module Model: PRM??01 Dimensions: 33 x 22 x 11mm (1.3?? x 0.87?? x 0.43) Weight (with wire): 7g (0.25oz) Voltage Input Range: 1S~6S LiPo Battery
Two-wire I2C interface. Hour: Minutes: Seconds AM/PM. Day Month, Date ? Year. DS1307 based RTC (Battery include). 1Hz output pin. Available in 8-pin DIP or SOIC
