SHOKITECH PCF8563 PCF8563T 8563 IIC Real Time Clock RTC Module Electronic Components Electronic Hobby Kit

This is a real-time clock module based on the NXP PCF8563T a programmable, I2C communicating up to 400KHz / 400Kb/S, high precision real-time clock chipset. More steady and precise than DS1302 or DS1307. It offers multiple functions such as external programmable clock output, alarm, timer, features and external quartz, and a backup battery. Features: The PCF8563 RTC Board provides the real-time clock/calendar function, which can be driven by a battery on board and works independently even when the MCU is turned off. Low-cost, extremely accurate I2C real-time clock (RTC). More steady and precise than DS1302 or DS1307. Support I2C bus cascade (by pin, row seat docking method, which can use multiple I2C modules) 4 kinds of real-time clock/calendar functions.