ARM LINKS ANS DOCUMENTAION OF THE ARCHITECTURE

Dear All

I am newbe to the ARM Processor, I dont have any Idea of ARM
processor,
I have to learn about the ARM processor, Please Guide me with the
links
and the documentation where i can find the materials on the arm
processor.

I have to port the floating pont implementaion into the fixed point
implementaion in the ARM processor.

So please Guide me on the above so that I can get the Inhand
knowledge
of the arm processor.

Thanks In Advance.
Ranjeet Gupta