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Real Time Clock Module

12,90 EUR

inkl. 19 % MwSt zzgl. Versandkosten

Lieferzeit: Gewöhnlich versandfertig in 24 Stunden



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Art.Nr.: SF-BOB-00099

Description: This a custom designed module for the DS1307 Real Time Clock. The module comes fully assembled and pre-programmed with the current time (ok, so it's our current time - MST). The included Lithium coin cell battery (CR1225 41mAh) will run the module for a minimum of 9 years (17 years typical) without external 5V power. The DS1307 is accessed via the I2C protocol. We've written a test-bed to program the modules. This test-bed code should give you some insight on how to interface the module to any microcontroller using our example software I2C and BCD routines.

Link: DS1307 code


  • Two wire I2C interface
  • Hour : Minutes : Seconds AM/PM
  • Day Month, Date - Year
  • Leap year compensation
  • Accurate calendar up to year 2100
  • Battery backup included
  • 1Hz output pin
  • 56 Bytes of Non-volatile memory available to user
Dimensions: 0.75x0.75" (20x20mm)


Datei Dateigröße
BOB-RTC-DS1307-DS1307.pdf BOB-RTC-DS1307-DS1307.pdf 0.34 MB
BOB-RTC-DS1307-RTC-Module-Dimensional.pdf BOB-RTC-DS1307-RTC-Module-Dimensional.pdf 0.01 MB
BOB-RTC-DS1307-RTC-Module-Schematic.pdf BOB-RTC-DS1307-RTC-Module-Schematic.pdf 0.01 MB

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