Configuring Xilinx FPGAs with SPI Serial Flash Application Note: Spartan-3E and Virtex-5 FPGAs Configuring Xilinx FPGAs with SPI Serial Flash Author: Stephanie Tapp XAPP951 (v1.3) September 23, 2010 Summary This application note discusses the Serial Peripheral Interface (SPI) configuration mode introduced in the Virtex-5 and Spartan-3E FPGA families. The required connections to configure the FPGA from an SPI serial flash device are ……