Product details
G-MOD : PCF8563 Real-Time Clock (RTC) Module
The G-MOD PCF8563 is a low-power, I²C Real-Time Clock (RTC) module designed for reliable timekeeping in embedded systems, IoT devices, and portable applications.
It maintains seconds, minutes, hours, days, weekdays, months, and years with automatic leap year correction up to 2099. With ultra-low power consumption, the PCF8563 is well-suited for battery-powered and low-energy systems. It also includes alarm and timer functions, making it ideal for data logging, scheduling, and wake-up tasks.
Interface definition
- VCC: Power supply
- GND: Power ground
- I / B : Interrupt/alarm output pin
- CLK : Programmable clock output
- SDA : I²C serial data line
- SCL : I²C serial clock line
PCF8563 connection with GLYPH Development Board
- VDD – 3.3V
- GND – GND
- I/B – GPIO1
- CLK – GPIO2
- SDA – SDA / GPIO4
- SCL – SCL / GPIO5
Features:
- Real-Time Clock and calendar up to year 2099
- Automatic leap year correction
- Alarm and programmable timer functions
- 24-hour or 12-hour format support
- Programmable clock output for system timing
- Ultra-low power consumption for battery-backed operation
- Wide supply voltage range (1.0V to 5.5V)
- I²C serial bus interface (up to 400 kHz)
- Built-in battery backup support
- Compact and easy-to-integrate module
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