Farhan

You say that you have searched....I think you have not worked hard enough at this. There is abundant information on compact flash interfacing on the web. I made an interface between a SILabs part and a compact FLASH card using information I found at the websites of SanDisk, PRLLC, Atmel and others.

Just to get you started why don't you look at the information here:

http://www.sandisk.com/oem/application-notes.asp

Michael Karas