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Gravity I2C RTC Real Time Clock Module, SD2405 - 

DFR0469

DFR0469 - Gravity I2C RTC Real Time Clock Module, SD2405
DFR0469 - Gravity I2C RTC Real Time Clock Module, SD2405

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Manufacturer:
DFROBOT DFROBOT
Manufacturer Part No:
DFR0469
Order Code:
SC15102
Product Range
Gravity Series
Technical Datasheet:
DFR0469   Datasheet
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Product Range Selector (Gravity Series)

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Product Overview

Gravity I2C SD2405 RTC module an extremely accurate I2C real-time clock (RTC) with crystal compensation, inner chargeable battery. The SD2405AL can generates various periodic interrupt clock pulses lasting for long period (one year) and three alarm interrupts can be made by year, month, date, days of the week, hours and minutes, seconds. It also provides a selectable 32.768KHz~1Hz clock output for an external MCU. The product incorporates a time trimming circuit that adjusts the clock with higher precision by adjusting any errors in crystal oscillator frequencies based on signals from the CPU. A 12-bytes general SRAM is implemented in the SD2405AL.
  • 3.3V to 5.5V operating range
  • To 2099 (with leap year compensation) timing range
  • Fast (400KHz) I2C interface(4.5 to 5.5V)
  • RTC counts sec, minutes, hrs, day, date, month and year with leap year compensation valid up to 2100
  • Time-of-year, month, day, week, hour, minute, second alarms
  • Programmable square-wave output
  • Countdown timer interrupt
  • High precision time trimming circuit
  • 12-hour/24-hour time display selectable
  • Operating voltage range: 3.3V-5V
  • Low-power operation: typical 1uA (inner battery, Ta=25°C)
  • Board size: 22x36mm
  • Weight: 6g

Applications

Embedded Design & Development, Electronics Design, IoT (Internet of Things)

Contents

Gravity I2C SD2405 RTC module, Gravity I2C 4-pin sensor cable, XH2.54-5pin header.

Product Information


:
I2C SD2405 RTC Module

:
DFRduino UNO R3 - Arduino Compatible Board

:
Gravity Series

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Technical Docs (2)

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