Overview:
-
cost-effective, extremely accurate I2C real-time clock
- powered by a button cell battery (type CR1220) the module works independently of the microcontroller
- offers real-time clock/calendar functionality
- Operating voltage: 1.0-5.5V
- I2C communication rate up to 400KHz / 400Kb
- Output frequency: 32.768KHz, 1024Hz, 32Hz, 1Hz
- Weight: approx. 4g
Helpful links:
Scope of delivery:
- 1x PCF8563 RTC module for Arduino