Xilinx Spartan-3E User Manual - Prog Push Button
Spartan-3E Starter Kit Board User Guide
27
UG230 (v1.0) March 9, 2006
PROG Push Button
R
PROG Push Button
The PROG push button, shown in
, forces the FPGA to reconfigure from
the selected configuration memory source. Press and release this button to restart the
FPGA configuration process at any time.
DONE Pin LED
The DONE pin LED, shown in
, lights whenever the FPGA is
successfully configured. If this LED is not lit, then the FPGA is not configured.
Table 4-1:
Spartan-3E Configuration Mode Jumper Settings (Header J30 in
Configuration
Mode
Mode Pins
M2:M1:M0
FPGA Configuration Image Source
Jumper Settings
Master Serial
0:0:0
Platform Flash PROM
SPI
(see
)
1:1:0
SPI Serial Flash PROM starting at
address 0
BPI Up
(see
)
0:1:0
StrataFlash parallel Flash PROM,
starting at address 0 and
incrementing through address
space. The CPLD controls address
lines A[24:20] during BPI
configuration.
BPI Down
(see
)
0:1:1
StrataFlash parallel Flash PROM,
starting at address 0x1FF_FFFF and
decrementing through address
space. The CPLD controls address
lines A[24:20] during BPI
configuration.
JTAG
0:1:0
Downloaded from host via USB-
JTAG port
M0
M1
M2
J
3
0
M0
M1
M2
J
3
0
M0
M1
M2
J
3
0
M0
M1
M2
J
3
0
M0
M1
M2
J
3
0