On Aug 1, 2011, at 11:33 AM, Vitaliy wrote: > The biggest deal maker was that the MCP does not have Windows =20 > certified drivers I thought the idea was to implement a CDC device and use the windows =20 standard (certified, included) CDC driver? All you need is a .inf to =20 map your USB identifiers to the CDC driver... (I have to admit, though, that FTDI is head and shoulders above pretty =20 much everyone else when it comes to host-side driver support.) BillW --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .