90 www.xilinx.com Spartan-3E Starter Kit Board User GuideUG230 (v1.0) March 9, 2006Chapter 12: SPI Serial Flash RConfiguring from SPI FlashTo configure the FPGA from SPI Flash, the FPGA mode select pins must be setappropriately and the SPI Flash must contain a valid configuration image.Setting the FPGA Mode Select PinsSet the FPGA configuration mode pins for SPI mode, as shown in Figure 12-4. The locationof the configuration mode jumpers (J30) appears in Figure 12-3.Figure 12-3: Configuration Options for SPI ModeSelect SPI Mode using Jumper SettingsRemove the top jumper, insert the bottom two as shownDONE Pin LEDLights up when FPGA successfully configured PROG_B Push Button SwitchPress and release to restart configurationJumper JP8 (XSPI)When programming SPI Flash using XSPIutility, insert jumper to hold PROG_B pin LowJumper J11Header J12 (XSPI Programming)UG230_c15_02_030906Figure 12-4: Set Mode Pins for SPI ModeM0M1M2J30UG230_c15_03_030206
