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Peripheral Module, I²C Real Time Clock, MEMS Resonator, For Devices with Pmod Expansion Ports


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Technical Datasheet:
DS3231MPMB1#   Datasheet
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Product Overview

The DS3231MPMB1# is a peripheral module can interface to host in one of two ways. This provides the necessary hardware to interface the DS3231M real-time clock (RTC) to any system that utilizes Pmod™-compatible expansion ports configurable for I2C communication. The IC is a low-cost and extremely accurate I2C RTC. The device incorporates a battery input and maintains accurate timekeeping when main power to the device is interrupted. The integration of the micro electro mechanical systems (MEMS) resonator enhances the long-term accuracy of the device and reduces the piece-part count in a manufacturing line. Typically used at industrial applications, portable instruments and power meters.
  • 32.768KHz square-wave output
  • Digital temperature sensor with ±3°C accuracy
  • 6-pin Pmod-compatible connector (I2C)
  • High accuracy time-of-day and date (±5ppm) from -40°C to +85°C
  • Example software written in C for portability
  • Secondary header allows daisy-chaining of additional modules on the I2C bus
  • Proven PCB layout
  • Fully assembled and tested

Product Information

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Analog Devices


Clock & Timing

Real Time Clock

Peripheral Module DS3231M


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Technical Documents (1)

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Deliveries start from 12/11/23

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