interfacing AT24C1024 to 8051

[electronics32]

I am trying to interface eeprom AT24C1024 (1MB) with 8051. In the datasheet, it says that the word address is 17 bits and the MSB is P0.
How do u declare this word address exactly ? What is the value of P0 ?

 

[yura717]

https://code.google.com/p/arduino-at24c1024/
This is a library to support the AT24C1024 EEPROM. Up to 4 of these devices may be chained together to provide 128-512 kilobytes of EEPROM storage.