What a complete load of utter nonsense!

The very first thing you should do is go to the manufacturer's website - http://www.semiconductors.philips.com/ - and just type the part number into the 'Search' box.
That gives 7 hits, including:

AN91007_2
8XC751/752 I²C drivers
Found in : Application notes. Keys found : pcf8583p (*pcf8583p*).
http://www.semiconductors.philips.com/acrobat/a...1007_2.pdf
It has some example programs, including:
"This demo program reads the time from a PCF8583 clock IC, and displays it to an LCD display"
Now, if that isn't exactly what you're looking for, what is?!

IC22_AN425
PCF8584 interfacing I²C-bus controller to 80C51
Found in : Application notes. Keys found : pcf8583p (*pcf8583p*).
http://www.semiconductors.philips.com/acrobat/a..._AN425.pdf
Also has example programs, including:
"The third example program displays time from the PCF8583P clock/calendar/RAM on the LCD"
Again, exactly what you were asking for!

Now tell us again that you've done the searching and there's nothing on the net...!