Xilinx SP601 Hardware UG518 - Manual (Page 33)

SP601 Hardware User Guide www.xilinx.com 33
UG518 (v1.1) August 19, 2009
Detailed Description
11. FPGA Awake LED and Suspend Jumper
The suspend mode jumper permits the FPGA to enter an inactive, "suspend" mode. The
FPGA Awake LED DS8 will go out when the FPGA enters this mode.
See the Spartan-6 FPGA Configuration Guide for more information at
http://www.xilinx.com/support/documentation/user_guides/ug380.pdf .
X-Ref Target - Figure 1-19
Figure 1-19: FPGA Awake LED and Suspend Jumper
FPGA AWAKE
R88
27.4
1%
1/16W
1
2
LED-GRN-
S
MT
2
D
S8
1
R18
4.7K
5%
1/16W
1
2
J14 Suspend Jumper
OFF = AWAKE (default)
ON = SUSPEND
FPGA SUSPEND
H-1X2
J14
1 2
VCC2V5
UG518_19_070809
Table 1-15: FPGA Awake/Suspend Mode Jumper Connections
FPGA U1 Pin Schematic Netname Suspend Mode I/O
P15 FPGA_AWAKE Awake LED DS8.2
R16 FPGA_SUSPEND Suspend J14.2
X-Ref Target - Figure 1-20 NET "FPGA_AWAKE" LOC = "P15";
NET "FPGA_SUSPEND" LOC = "R16";
Figure 1-20: UCF Location Constraints for FPGA Awake/Suspend Mode Jumper