Digilent 410-087P-KIT - Manual (Page 90)

90 www.xilinx.com Spartan-3E Starter Kit Board User Guide
UG230 (v1.0) March 9, 2006
Chapter 12: SPI Serial Flash R
Configuring from SPI Flash
To configure the FPGA from SPI Flash, the FPGA mode select pins must be set
appropriately and the SPI Flash must contain a valid configuration image.
Setting the FPGA Mode Select Pins
Set the FPGA configuration mode pins for SPI mode, as shown in Figure 12-4 . The location
of the configuration mode jumpers (J30) appears in Figure 12-3 .
Figure 12-3: Configuration Options for SPI Mode
Select SPI Mode using Jumper Settings
Remove the top jumper, insert the bottom two as shown
DONE Pin LED
Lights up when FPGA successfully configured
PROG_B Push Button Switch
Press and release to restart configuration
Jumper JP8 (XSPI)
When programming SPI Flash using XSPI
utility, insert jumper to hold PROG_B pin Low
Jumper J11
Header J12 (XSPI Programming)
UG230_c15_02_030906
Figure 12-4: Set Mode Pins for SPI Mode
M0
M1
M2
J30
UG230_c15_03_030206