The following documents provide supplementary information useful with this user manual.
Xilinx Spartan-6 LX
Xilinx documentation home
Xilinx Spartan-6 documentation home
Xilinx Spartan-6 product page
Xilinx Spartan-6 LX product page
Cypress EZ-USB FX2 controller
Cypress EZ-USB FX2LP USB controller datasheet
Cypress EZ-USB Technical Reference Manual