The Digilent PmodRTCC Peripheral Module (Digilent 410-218) is a Real-Time Clock/Calendar powered by Microchip's MCP79410. It is compatible with Digilent`s PIC32-based Cerebot development boards (TDGL008, TDGL009, TDGL010), and can be easily connected to any system using standard IDC connectors and cables. An I2C™ interface is used to communicate with the module. The PmodRTCC provides two available alarms, 128 bytes EEPROM and 64 bytes SRAM. The multi-function pin can be accessed via a two pin header. The product Includes a coin-cell battery holder.