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New Arduino RTC DS1302 Real Time Clock Module For AVR ARM PIC SMD

New Arduino RTC DS1302 Real Time Clock Module For AVR ARM PIC SMD

SKU: HW_DE4D4927.

New Arduino RTC DS1302 Real Time Clock Module For AVR ARM PIC SMD

DS1302 real time clock module

DALLAS DS1302 is the company launched trickle charge the clock chip, which contains a real-time clock / calendar and 31 bytes of static RAM, via a simple serial interface to communicate with the microcontroller. Real-time clock / calendar circuit provides seconds, minutes, hours, days, weeks, months, years of information, the number of days per month and leap year automatically adjust the number of days. Clock operation by AM / PM indicator decided to use 24 or 12 hour format. DS1302 between the microcontroller can simply adopt the way synchronous serial communication port only used three lines: (1) RST Reset (2) I / O data lines (3) SCLK Serial Clock. Clock / RAM read / write data in a byte or up to 31 bytes of character set type communication. DS1302 work to maintain low power consumption data and clock information when power is less than 1mW

DS1302 Features:

  • Real-time clock with energy calculations before 2100 seconds, minutes, hours, day, week, month, year capacity, as well as the ability to leap year adjustment.
  • Wide operating voltage range 2.0 5.5V
  • 2.0V, operating current of less than 300nA
  • read / write clock or RAM data transfer mode, there are two single-byte and multi-byte transfer mode transmission character set
  • 8-pin DIP package or an optional 8-pin SOIC surface mount package under
  • simple 3-wire interface
  •  Vcc = 5V and TTL compatible

 

DS1302 real time clock module specs:

  • PCB single panel, size: 44mm * 23mm * 1.6mm
  • with four positioning holes, diameter 3.1mm
  • backup battery is genuine celestial CR2032, Voltage 3V, current 260mAh, non-rechargeable batteries. Theoretical data retention time is more than 10 years!
  • Crystal 32.768KHz, Japan imported crystal, matching capacitance 6pF, size 2 * 6mm
  • DS1302 is made large 8-pin DIP chip, chip below IC socket for easy replacement and swap chips
  • module operating voltage compatible 3.3V/5V, can be connected with 5V and 3.3V microcontroller
  • Working temperature: 0°— 70°

Wiring method.

  • VCC to   +5 V/3.3V
  • GND to †’ GND
  • CLK to †’ P02
  • DAT to   P01
  • RST to Poo

 

Note: WARNING VCC and GND, Do not reverse, it would burn the chip

 

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