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ADuC812 and a S6700 IC

Hey guys, I've just started working on my senior project. We decided to mess around with RFID. I've never ever programmed a microcontroller, but I'm the only one with a decent background in programming in my group. My question is I'm connecting the ADuC812 to a S6700 TI Reader/Writer IC. I read through the reference guide for the s6700 : http://www.ti.com/tiris/docs/manuals/refmanuals/RI-R6C-001ArefGuide.pdf

and I know I have to connect the DIN,DOUT, and S_Clock to the microcontroller to be able to talk to it. But my question is, how do I start programming the microcontroller to allow for this? Theres a sample source .txt here: http://mikeg.myserver.org/files/Capstone_Web/Web%20Accessible%20Files/RFID/RI-R6C-001A.txt for IC's. But I dont actually know what the Read/Write commands are doing essenstially. And is this all I need for the microcontroller to turn on and start talking with the IC? Is there any INPUT/OUTPUT code that needs to be created? Sorry about the newbie questions, I'm just so new to this. I've tried reading some books, but most I've found to be not helpful at all. I'll probably be posting here alot for help :-p..