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Fermion DS3232 Precise RTC

Κωδικός:

25-00016337

Part Number: DFR0821

ΚατασκευαστήςDFRobot Part NumberDFR0821

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This real-time clock module (RTC) uses the DS3232 chip that integrates a crystal resonator and a temperature compensator, which improves the long-term accuracy of the module. In the range of -40°C to +85°C, the accuracy of DS3231 remains at ±3.5ppm (±0.3024 seconds/day).

The DS3232 integrates 236Byte SRAM storage that can store data with extremely low power consumption, and it also can be used in scenarios such as low power consumption collection of the Internet of Things.

The device incorporates a battery input and maintains high precision timing when the main power to the device is interrupted. The RTC provides information of seconds, minutes, hours, week, day, month, and year, and it can automatically adjust the date at the end of the month, including corrections for leap year. The clock operates in either the 24-hour or 12-hour format with AM/PM indicator. Two programmable time-of-day alarms and a programmable square-wave output are provided. In addition, the RST pin can be used as a push-button input for microprocessor reset.

Board Overview

ΣΗΜΕΙΩΣΕΙΣ

Due to the latest air cargo regulations, the transport audit of special items such as batteries, magnets and liquids will become very strict, so this RTC module does not come with batteries anymore. The button cell battery model that goes with the module is CR1220.

Connection Diagram