Em 1/6/2011 12:22, William Couture escreveu: > Hi all, > > We need to save/restore setup data for a product, and it would be nice > to be able > to do this via thumbdrive. However, it seems that most 8-bit micros > (we are using > an ATMega, but code for a PIC could be used as a template) aren't up to b= eing a > USB master. > > Is there any code out there that does this? Or do we have to resort to u= sing a > Vinculum chip? Or go with a SD / SDHC card (many examples out there)? > > Thanks, > Bill Newer Microchip MCUs have USB On The Go modules, which can act either as master or slave. I think Microchip's USB stack already supports USB mass storage devices. Take a look at their application notes. Isaac --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .