http://www.futureelectronics.com/en/Search.aspx?dsNav=Ntk:ManufacturerPartNumberUpshiftedSearch%7c*MCP2210*%7c1%7c,Ny:True,Ro:0,Nea:True,N:587 . Hundreds of millions of products with USB Connectivity are shipped every year. Many markets have implemented USB connectivity for its many advantages. So what do you do if your existing design doesn't support USB and only supports other interfaces such as SPI? The easy answer is a USB to SPI bridge device such as the MCP2210. http://youtu.be/8VBpI2v_q10