GMOD RTC MODULE PCF8563

# GMOD-PCF8563-RTC — Description

The PCF8563 is a low-power I²C real-time clock (RTC) with an integrated calendar, maintaining seconds, minutes, hours, day, weekday, month, and year in BCD format with automatic leap-year correction. It features a programmable alarm, countdown timer, and CLKOUT output. A battery backup input ensures continued timekeeping when main power is removed — making it ideal for IoT devices, data loggers, industrial controllers, and low-power embedded systems.