Configuring Xilinx FPGAs with SPI Serial Flash

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