On Thu, Sep 29, 2011 at 9:16 AM, V G wrote: > What's the main concept for sampling fast and transferring on the fly? Or= is > that not possible? The crux of the problem is that USB is master/slave and the PIC32 is the sl= ave. You should look into isochronous transfer if you need guaranteed constant bandwidth. --=20 Martin K. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .