Steve, > If you are attempting to interface a slave to USB using software > bit-banging on the PIC, the simple answer is I don't beleive it is > possible even on a Scenix 'PIC' - use an USB interface chip or a > microcontroller with built-in USB slave interface. What would be the least expensive effective solution for a USB peripheral chip to a microcontroller. I have looked at the Phillips PDIUSBD11, but was wondering if you know of others/better ones? Craig