The following links provide useful background information for this microcontroller and using this controller board.
Data Sheets
AT89C51RC2 Data Sheet: Atmel - AT89C51RC2 Data Sheet
8051 Instruction Set: Atmel 8051 - Instruction Set
AT89C51RC2 Application Notes: AT89C51RC2 - Application Notes
PCF8574 I/O Data Sheet: Philips Semiconductor - PCF8574 Data Sheet
PCF8583 Real Time Clock Data Sheet: Philips Semiconductor - PCF8583 Data Sheet
24LCXXX EEPROM Series Data Sheets: 24LCXXX Series
Books
Programming: Programming and Customizing the 8051 Microcontroller
Software
Download Software: Atmel Flip Program
Useful Websites
Atmel: To Atmel website
Circuit Cellar Magazine: To Circuit Cellar Website
User Tips
If you have some useful tips or relevant information that would be helpful to other users, please send it to technical@futurlec.com