Program Push Button/Done Indicator Led - Xilinx Spartan-3 User Manual

Program Push Button/DONE Indicator LED

Table 9-1: Header J8 Controls the FPGA Configuration Mode (Continued)
Configuration
Header J8
Mode
Settings
<M0:M1:M2>
Slave Parallel
GND
<0:1:1>
M0 M1 M2
JTAG
GND
<1:0:1>
M0 M1 M2
Program Push Button/DONE Indicator LED
The Spartan-3 Starter Kit Board includes two FPGA configuration functions, located near
the VGA connector and the AC power input connector, as shown in
push button, shown as
When pressed, the PROG push button forces the FPGA to reconfigure and reload it
configuration data.
The DONE LED, shown as
up when the FPGA is successfully configured.
Spartan-3 Starter Kit Board User Guide
UG130 (v1.1) May 13, 2005
Jumper JP1
Setting
Another device connected to the B1 expansion connector
J8
JP1
provides parallel data and clock to load the FPGA.
The FPGA waits for configuration via the four-wire JTAG
J8 JP1
interface.
in
17
Figure 9-1: The PROG Button and the DONE LED
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Description
Figure 9-1, drives the FPGA's PROG_B programming pin.
in Figure 9-1, connects to the FPGA's DONE pin and lights
18
VGA
17
DONE
PROG
UG130_c9_03_042704
Figure 9-1. The PROG
18
R
37