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RTC PCF8563 I2C, real-time clock + battery, Waveshare 3707
3813206 AN-04495
5904422371777
Shipping 11-18 b.d.
All about the product
The module has a PCF8563 chip. It provides accurate and independent intervals. The operating voltage ranges from 1.8 V to 5.5 V. Power is supplied by a round CR1220 battery (included), which operates independently of the system it is in. This allows you to read the time in hours, minutes, and seconds, and the date: month, day, year. The interface is executed via the I2C bus. An additional advantage is the ability to generate frequencies: 32.768 kHz, 1024 kHz, 32 Hz, or 1 Hz.
Specifications:
- Operating voltage: from 1.8 V to 5.5 V
- Chip: PCF8563
- Built-in CR122 battery
- Soldered gold pin connections - 2.54 mm
- Ability to cascade connect another module
- Use a jumper to select the power voltage from external DC or battery power BAT
Links:
Manufacturer's page
