M41T82RM6E
I2C real-time clock with battery backup and calendar functions
Manufacturer： stm
series introduction
# Introduction to the M41T82RM6E Product Series
## 1. Overview
The M41T82RM6E product series represents a cutting - edge line of real - time clock (RTC) modules that offer high - precision timekeeping and a range of features suitable for a wide variety of applications. These modules are designed to meet the demanding requirements of modern electronic systems, providing reliable and accurate time information in diverse operating conditions.
## 2. Key Features
### 2.1 High - Precision Timekeeping
- The M41T82RM6E series is equipped with a highly accurate oscillator that ensures precise timekeeping. It can maintain time with an extremely low error rate, even over extended periods. This high precision is crucial for applications such as data logging, where accurate time stamps are essential for analyzing and interpreting data.
- The module has a low temperature coefficient, which means that the timekeeping accuracy is relatively stable across a wide temperature range. This makes it suitable for use in environments with varying temperatures, from industrial settings to outdoor applications.
### 2.2 Battery Backup
- One of the standout features of the M41T82RM6E series is its built - in battery backup functionality. In the event of a power outage, the module can continue to keep time using a backup battery. This ensures that the system always has access to accurate time information, even when the main power source is unavailable.
- The battery backup system is designed to be energy - efficient, minimizing power consumption from the backup battery. This extends the battery life and reduces the need for frequent battery replacements.
### 2.3 I2C Interface
- The modules in the M41T82RM6E series use the widely adopted I2C (Inter - Integrated Circuit) interface for communication with the host microcontroller or other devices. The I2C interface is simple to use, requires only two wires (SDA and SCL), and allows for easy integration into existing electronic systems.
- It supports multi - master and multi - slave configurations, enabling multiple devices to communicate on the same bus. This flexibility makes it suitable for complex systems where multiple components need to share time information.
### 2.4 Alarm and Timer Functions
- The M41T82RM6E series offers programmable alarm and timer functions. Users can set specific times or intervals for the alarm to trigger, which can be used for various purposes such as waking up a system from a low - power state, initiating a data transfer, or performing periodic tasks.
- The timer function can be used to measure elapsed time accurately, which is useful in applications such as process control and automation.
### 2.5 Low Power Consumption
- These RTC modules are designed with low power consumption in mind. They operate at very low power levels, making them ideal for battery - powered devices. The low power consumption helps to extend the battery life of the overall system, reducing the need for frequent recharging or battery replacement.
## 3. Applications
### 3.1 Industrial Automation
- In industrial automation systems, accurate timekeeping is essential for coordinating the operation of various machines and processes. The M41T82RM6E series can be used to provide precise time stamps for data logging, event sequencing, and synchronization of different components in the system.
- Its ability to operate in harsh industrial environments, with wide temperature ranges and potential electrical interference, makes it a reliable choice for industrial applications.
### 3.2 Consumer Electronics
- In consumer electronics such as smartwatches, fitness trackers, and home appliances, the M41T82RM6E series can be used to provide accurate timekeeping. The low power consumption and small form factor of the modules make them suitable for integration into these portable and space - constrained devices.
- The
Images for reference
8 SOIC
Image Preview