I2C RTC DS1307 AT24C32 Real Time Clock Module1
I2C RTC DS1307 AT24C32 Real Time Clock Module

DS1307 + AT24C128 MODULE (RTC AND MEMORY)

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Product Description

  1. plate load DS1307 real-time clock chip, support the IIC communication protocol
  2. plate load AT24C128 EEPROM memory chips, and support the IIC communication protocol
  3. plate load 32.768 KHZ crystal oscillator, for module provides accurate clock signal
  4. plate load CR1220 SMT battery holder
  5. support 5 v dc voltage input
  6. commonly used pin have eduction, pin for the standard 2.54 mm
  7. Using the LIR2032 rechargeable lithium battery, and with a charging circuit
  8. After a full charge, can provide DS1307 time 1 years.
  9. Lead DS1307 clock pin, provides the clock signal for the microcontroller.

 

About DS1307

DS1307 is a low power, with 56 bytes of non-volatile RAM BCD code clock calendar real-time clock chip, the address and data transmission through the two-wire bidirectional serial bus, the chip can be seconds, minutes, hours and other information , the number of days in each month can be adjusted automatically. And there is a leap year compensation function. AM / PM flag determines clock work 24-hour or 12-hour mode, the chip has a built-in power-sense circuit, brownout detection and battery switching function.

 

DS1307 features:

  • Can account seconds, hours, minutes, monthly number of days, months, days of the week count with leap year compensation function. Record the year on line 2100.
  • 56 bytes of non-volatile RAM
  • Two-wire serial interface
  • Programmable square-wave output
  • Automatic power-down detection and switching circuit
  • In battery backup mode, power consumption is less than 500nA

Additional Information

Weight 20 g
Dimensions 27 x 28 x 10 mm

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