PCF8563 Real Time Clock

Realtime clock module based on the NXP PCF8563T a programmable, I2C communicating up to 400KHz / 400Kb/S, high precision real time clock chipset. It offers multiple functions such as external programmable clock output, alarm, timer, it features and external quartz and a backup battery. More steady and precise than DS1302 or DS1307

Description:

• 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 module)
• Wide voltage range: 1.0-5.5V
• Typical value: 0.25uA
• Output frequency: 32.768KHz, 1024Hz, 32Hz, 1Hz
• 4 kinds of real-time clock/calendar functions

Package includes:

• 1x PCF8563 RTC Board
• 1x 3.3V Button battery
• 1x Pin header