Ebay suggested I buy one of these.
I was looking for a microprocessor that did not boot from internal FLASH memory!
pi@raspberrypi:~ $ lsusb
Bus 001 Device 009: ID 04b4:8613 Cypress Semiconductor Corp. CY7C68013 EZ-USB FX2 USB 2.0 Development Kit
http://www.dougrice.plus.com/dev/cypress/notes_dhr.txt
http://www.dougrice.plus.com/dev/cypress