Alcor Micro AU9462 keyboard chip

Hello.
I am a student at the University of Montana.
I recently got interested in the field of electronics and have been
working on some small projects as a hobby.
One of my projects is to create my own keyboard.
I recently took apart a dell and a logitec keyboard to see how
difficult this project would be.
From what I saw, this project looked like it was about the right
difficulty for me.
I saw that both the logitec and dell keyboards used an Alcor Micro
AU9462 chip.
After going to Alcor Micro's site and buying the chip, I recieved their
schematics and electronic diagrams and now I'm not so sure this was a
good idea.
When I first bought the chip, I thought the only things I would need
was the 12mhz crystal, the usb cord, and the AU9462 chip.
I am wondering if this is correct or if I do need all the
resistors/compasitors/ect in Alcor's electronic diagrams.
Has anyone worked with this chip?
What is the BARE minimum to just make the keyboard keys work?
I can send the diagrams alcor provides to anyone who wishes to help.
AU9462 site:
http://www.alcormicro.com/products_detail.php?main_id=7&p_id=16
AU9462 databook:
http://www.alcormicro.com/system/upload/p_download/45/download.pdf

Sorry if this isn't enough information. This is the first time I have
ever posted to google groups.

.

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