Simple Real Time Clock module with Ricoh R2025S.

Motherboard Interface:
2 I2C pins
2 configurable interrupt pins
32.768kHz signal out

External Interface:
CR2032 battery bay

Voltage:

• 5V
• 3V3
• 2V5
• 1V7

Features:

• On chip 32.768kHz generation
• fully programmable interrupts