USB Books, pdfs and web links

HTML document’s:

1) Good documentation to understand in depth USB protocol

2) Apples patent :  Portable Device capable of Initiating Disengagement from host system.

3) USB in a nutshell – Good information

Website’s:

1) Good website for trying various Linux distros from USB pen drive.

2) http://usb.brando.com.hk/

PDF document’s:

1) free electron’s linux usb basics

2) USB for embedded applications

Blog’s :

1) Greg K-H’s website

2) Great information by Jan Axelson

3) John Hyde – usb design by example.