RTC-8564JE
Low-power real-time clock IC with I2C interface for timekeeping applications
Manufacturer： ['epson', 'seiko-epson']
series introduction
# RTC - 8564JE Product Series Introduction
## 1. Overview
The RTC - 8564JE product series is a highly reliable and feature - rich Real - Time Clock (RTC) solution designed to meet the diverse timekeeping needs of modern electronic devices. Real - Time Clocks are essential components in a wide range of applications as they provide accurate time and date information, even when the main system is powered off. The RTC - 8564JE series stands out for its precision, low power consumption, and ease of integration, making it an ideal choice for various industries.
## 2. Key Features
### 2.1 High Precision Timekeeping
- The RTC - 8564JE series offers extremely accurate timekeeping with a low timekeeping error. It can maintain accurate time and date information, including seconds, minutes, hours, days, months, and years. This high precision is crucial for applications such as data logging, where accurate timestamping of events is necessary for proper analysis.
- It has a built - in oscillator compensation mechanism that helps to minimize the effects of temperature variations on the clock frequency. This ensures that the timekeeping accuracy remains stable across a wide temperature range, typically from - 40°C to + 85°C.
### 2.2 Low Power Consumption
- One of the most significant advantages of the RTC - 8564JE series is its ultra - low power consumption. In standby mode, the power consumption is extremely low, which is essential for battery - powered devices. This allows the device to operate for extended periods without frequent battery replacements or recharging.
- The low power design also helps to reduce the overall power budget of the system, making it more energy - efficient and environmentally friendly.
### 2.3 I²C Interface
- The RTC - 8564JE series uses the widely adopted I²C (Inter - Integrated Circuit) interface for communication with the host microcontroller. The I²C interface is a simple, two - wire serial communication protocol that allows for easy integration into existing systems.
- It supports multiple slave addresses, enabling multiple RTC - 8564JE devices to be connected to the same I²C bus. This feature is useful in applications where multiple timekeeping functions are required, such as in large - scale industrial control systems or multi - zone monitoring applications.
### 2.4 Alarm and Timer Functions
- The series is equipped with programmable alarm and timer functions. Users can set specific times or intervals for the alarm to trigger. When the set time is reached, the RTC can generate an interrupt signal to the host microcontroller, which can then perform specific actions such as waking up the system from sleep mode or initiating a data transfer.
- The timer function can be used for various purposes, such as scheduling periodic tasks or measuring elapsed time. It provides a flexible way to control the timing of different operations in the system.
### 2.5 Power - Fail Detection and Backup
- The RTC - 8564JE series includes a power - fail detection circuit. When the main power supply fails, the device can automatically switch to a backup power source, such as a coin - cell battery. This ensures that the timekeeping function continues uninterrupted, and the system can resume normal operation once the main power is restored.
- The power - fail detection also generates an interrupt signal to the host microcontroller, allowing the system to save important data before the power loss.
## 3. Applications
### 3.1 Consumer Electronics
- In smartphones, tablets, and smartwatches, the RTC - 8564JE series provides accurate time and date information. It helps in scheduling alarms, reminders, and calendar events. The low power consumption is especially beneficial for extending the battery life of these portable devices.
- In
Images for reference
RTC-8564JE
Image Preview
Image Preview