Description :
The PCF8563 RTC (Real Time Clock) Module is a compact and highly reliable timekeeping solution designed for Arduino, ESP32, ESP8266, Raspberry Pi, STM32, and other microcontroller platforms. Built around the PCF8563T RTC chip, this module provides accurate tracking of seconds, minutes, hours, days, weekdays, months, and years through a simple I2C communication interface.
Designed for low-power applications, the PCF8563 RTC module can continue maintaining time even during power interruptions when connected to a backup battery. Its integrated calendar functionality automatically handles leap years and month-end corrections, making it ideal for long-term timekeeping applications.
The module is widely used in digital clocks, data logging systems, automation projects, IoT devices, attendance systems, and embedded applications where accurate time and date information is required. With low power consumption and easy interfacing, the PCF8563 RTC module is an excellent choice for hobbyists, students, and professional developers.
Specifications :
| Specification | Details |
|---|---|
| Product Type | Real Time Clock (RTC) Module |
| RTC IC | PCF8563T |
| Interface | I2C (Two-Wire Serial Interface) |
| Operating Voltage | 1.8V – 5.5V DC |
| Communication Protocol | I2C |
| I2C Address | 0x51 |
| Time Functions | Seconds, Minutes, Hours |
| Calendar Functions | Day, Weekday, Month, Year |
| Alarm Function | Programmable Alarm |
| Timer Function | Built-in Countdown Timer |
| Clock Output | Programmable Clock Output |
| Backup Battery Support | Yes |
| Power Consumption | Ultra Low Power |
| Oscillator | Integrated Crystal Oscillator Circuit |
| Time Format | 24-Hour Format |
| Operating Temperature | -40°C to +85°C |
| Mounting Type | Through-Hole Module |
| Module Dimensions | Approx. 28 × 22 mm |
| Compatible Boards | Arduino, ESP32, ESP8266, Raspberry Pi, STM32, AVR, PIC |
| Applications |
Clocks, Data Loggers, Automation, IoT, Embedded Systems |
Features :
- High-accuracy PCF8563T RTC chip for reliable timekeeping.
- Supports real-time clock and calendar functions.
- Simple I2C interface requiring only two communication pins.
- Ultra-low power consumption for battery-operated devices.
- Maintains accurate time during power outages with backup battery.
- Supports seconds, minutes, hours, days, months, and years.
- Automatic leap year correction and calendar management.
- Built-in programmable alarm function.
- Integrated countdown timer for scheduling applications.
- Programmable clock output feature.
- Wide operating voltage range from 1.8V to 5.5V.
- Compact module design saves PCB space.
- Stable performance for long-term operation.
- Easy integration with Arduino and Raspberry Pi libraries.
- Suitable for data logging and timestamp applications.
- Ideal for IoT and smart home systems.
- Fast and reliable I2C communication.
- Supports low-power embedded applications.
- Perfect for digital clocks and calendar projects.
- Excellent reliability in industrial environments.
- Compatible with 3.3V and 5V microcontrollers.
- Simple pin configuration for quick prototyping.
- Durable PCB construction.
- Widely used in educational and professional projects.
- Plug-and-play solution for RTC-based applications.
Package Included:
1X PCF8563 High Accuracy RTC Real Time Clock Module I2C PCF8563T Timekeeping Board for Arduino, ESP32 & Raspberry Pi
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