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Xilinx MIcroblaze Development Spartan-3E 1600E User Manual

Page 168

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166

MicroBlaze Development Kit Spartan-3E 1600 Edition User Guide

www.xilinx.com

UG257 (v1.1) December 5, 2007

Appendix Appendix B:

Example User Constraints File (UCF)

R

# ==== 6-pin header J4 ====
# These are independent of the FX2 connector
#NET "J4<0>" LOC = "R14" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 6 ;
#NET "J4<1>" LOC = "T14" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 6 ;
#NET "J4<2>" LOC = "R13" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 6 ;
#NET "J4<3>" LOC = "P13" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 6 ;
#
# ==== J15 Input Only Connector ====
NET "INPUT_IO<1>" LOC = "A12" | PULLDOWN | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
NET "INPUT_IO<2>" LOC = "A3" | PULLDOWN | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
NET "INPUT_IO<3>" LOC = "B15" | PULLDOWN | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
NET "INPUT_IO<4>" LOC = "A15" | PULLDOWN | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
NET "INPUT_IO<5>" LOC = "C13" | PULLDOWN | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
NET "INPUT_IO<6>" LOC = "D12" | PULLDOWN | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
NET "INPUT_IO<7>" LOC = "F10" | PULLDOWN | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
NET "INPUT_IO<8>" LOC = "G10" | PULLDOWN | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
NET "INPUT_IO<9>" LOC = "C8" | PULLDOWN | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
NET "INPUT_IO<10>" LOC = "D8" | PULLDOWN | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
NET "INPUT_IO<11>" LOC = "A5" | PULLDOWN | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
NET "INPUT_IO<12>" LOC = "B5" | PULLDOWN | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE = 8 ;
#NET "INPUT_IO<13>" LOC = "E17" | PULLDOWN | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE =
8 ;
#NET "INPUT_IO<14>" LOC = "P15" | PULLDOWN | IOSTANDARD = LVCMOS33 | SLEW = FAST | DRIVE =
8 ;

#
# ==== Xilinx CPLD (XC) ====
NET "XC_CMD<0>" LOC = "P18" | IOSTANDARD = LVTTL | DRIVE = 4 | SLEW = SLOW ;
NET "XC_CMD<1>" LOC = "N18" | IOSTANDARD = LVTTL | DRIVE = 4 | SLEW = SLOW ;
NET "XC_CPLD_EN" LOC = "B10" | IOSTANDARD = LVTTL ;
NET "XC_D<0>" LOC = "G16" | IOSTANDARD = LVTTL | DRIVE = 4 | SLEW = SLOW ;
NET "XC_D<1>" LOC = "F18" | IOSTANDARD = LVTTL | DRIVE = 4 | SLEW = SLOW ;
NET "XC_D<2>" LOC = "F17" | IOSTANDARD = LVTTL | DRIVE = 4 | SLEW = SLOW ;
NET "XC_TRIG" LOC = "R17" | IOSTANDARD = LVCMOS33 ;
NET "XC_GCK0" LOC = "H16" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;