DS3231 High Precision RTC Clock Module for Raspberry Pi

DS3231 High Precision RTC Clock Module for Raspberry Pi
The DS3231 is a low-cost, extremely accurate I2C realtime clock (RTC) with an integrated temperature compensated crystal oscillator (TCXO) and crystal. The device incorporates a battery input, and maintains accurate timekeeping when main power to the device is interrupted. The integration of the crystal resonator enhances the long-term accuracy of the device as well as reduces the piece-part count in a manufacturing line. The RTC maintains seconds, minutes, hours, day, date, month, and year information. The date at the end of the month is automatically adjusted for months with fewer than 31 days, including corrections for leap year. The clock operates in either the 24-hour or 12-hour format with an AM/PM indicator. Two programmable time-ofday alarms and a programmable square-wave output are provided. Address and data are transferred serially through an I2C bidirectional bus.

Features:

  • Accuracy ±2ppm from 0°C to +40°C
  • Accuracy ±3.5ppm from -40°C to +85°C
  • Battery Backup Input for Continuous Timekeeping
  • Low-Power Consumption
  • Real-Time Clock Counts Seconds, Minutes,Hours, Day, Date, Month, and Year with Leap Year Compensation Valid Up to 2100
  • Two Time-of-Day Alarms
  • Fast (400kHz) I2C Interface
  • Package List:

  • 1 x DS3231 High Precision RTC Clock Module for Raspberry Pi
  • Documents:

  • Datasheet
  • Demo code
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    • Product Code: OR03231DS
    • Availability: In Stock
    • $1.50
    • 51 or more $1.20