Maxim Integrated DS3231MZ+TRL

The DS3231MZ+TRL is a highly accurate, low-power real-time clock (RTC) with an integrated temperature-compensated crystal oscillator (TCXO). This IC is designed to keep accurate time and date information while consuming very low power, making it suitable for battery-operated devices. It communicates with microcontrollers via I2C. Functions - Real-Time Clock: Keeps track of the current time and date (year, month, day, hour, minute, and second). - Temperature Compensation: The built-in TCXO compensates for changes in temperature to maintain accuracy. - Alarm Functionality: Capable of generating alarms at user-defined times. - Interrupt Output: Can signal the microcontroller when an alarm condition occurs. - Battery Backup: Maintains timekeeping even during power loss via an external battery. Applications - Consumer Electronics: Used in devices requiring precision timekeeping. - Industrial Equipment: Applicable in systems that require accurate timestamping. - Wearable Devices: Ideal for fitness trackers and smartwatches needing low power and high accuracy. - IoT Devices: Suitable for Internet of Things applications that utilize real-time data logging. - Embedded Systems: For microcontroller-based applications requiring time functions. Alternative Parts 1. Microchip MCP7940N: Also a RTC with low power and an integrated EEPROM. 2. NXP PCF8523: Another popular RTC with I2C interface and high accuracy. 3. Real Time Clock DS1307: A widely used RTC but without temperature compensation. 4. MAXIM DS3232: Has additional features like voltage detection and more alarms. Embedded Modules There are several embedded modules incorporating the DS3231 IC which can be easily interfaced with microcontrollers: - DS3231 RTC Module: A breakout board that typically includes the DS3231 RTC along with a crystal and necessary pull-up resistors for I2C communication. - Arduino DS3231 RTC Shield: A shield designed for Arduino boards that includes a DS3231 for easy integration into projects. - Raspberry Pi DS3231 Module: A compatible module for interfacing with Raspberry Pi for applications requiring real-time clock functionalities. Related Q&A Q1: What is the accuracy specification of the DS3231MZ+TRL? A1: The DS3231MZ+TRL has an accuracy of ±2 minutes per year at typical conditions, thanks to its temperature-compensated design. Q2: How does the DS3231MZ+TRL maintain time during a power outage? A2: The DS3231MZ+TRL can be powered by a backup battery, which keeps the internal clock running even when the main power is lost. Q3: What communication protocol does the DS3231MZ+TRL use? A3: The DS3231MZ+TRL communicates with microcontrollers using the I2C (Inter-Integrated Circuit) protocol. Q4: Can the DS3231MZ+TRL generate alarms? A4: Yes, the DS3231MZ+TRL includes built-in alarms, which can be configured to trigger interrupt signals to the host microcontroller at specified times. Q5: What voltage range does the DS3231MZ+TRL operate within? A5: The DS3231MZ+TRL typically operates within a voltage range of 2.3V to 5.5V. This information should help you understand the DS3231MZ+TRL better as well as meet your needs for further inquiries!