Ucf Location Constraints; Related Resources - Xilinx MIcroBlaze Development Spartan-3E 1600E Kit User Manual

Chapter 14: 10/100 Ethernet Physical Layer Interface
The hardware evaluation versions of the Ethernet MAC cores operate for approximately
eight hours in silicon before timing out. To order the full version of the core, visit the Xilinx
website at:

UCF Location Constraints

Figure 14-4
the I/O pin assignment and the I/O standard used.

Related Resources

114
www.xilinx.com
http://www.xilinx.com/ipcenter/processor_central/processor_ip/10-100emac/
10-100emac_order_register.htm
provides the UCF constraints for the 10/100 Ethernet PHY interface, including
NET "E_COL" LOC = "U6"
NET "E_CRS" LOC = "U13" | IOSTANDARD = LVCMOS33 ;
NET "E_MDC" LOC = "P9"
NET "E_MDIO" LOC = "U5"
NET "E_RX_CLK" LOC = "V3"
NET "E_RX_DV" LOC = "V2"
NET "E_RXD<0>" LOC = "V8"
NET "E_RXD<1>" LOC = "T11" | IOSTANDARD = LVCMOS33 ;
NET "E_RXD<2>" LOC = "U11" | IOSTANDARD = LVCMOS33 ;
NET "E_RXD<3>" LOC = "V14" | IOSTANDARD = LVCMOS33 ;
NET "E_RXD<4>" LOC = "U14" | IOSTANDARD = LVCMOS33 ;
NET "E_TX_CLK" LOC = "T7"
NET "E_TX_EN" LOC = "P15" | IOSTANDARD = LVCMOS33 | SLEW = SLOW
NET "E_TXD<0>" LOC = "R11" | IOSTANDARD = LVCMOS33 | SLEW = SLOW
NET "E_TXD<1>" LOC = "T15" | IOSTANDARD = LVCMOS33 | SLEW = SLOW
NET "E_TXD<2>" LOC = "R5"
NET "E_TXD<3>" LOC = "T5"
NET "E_TXD<4>" LOC = "R6"
Figure 14-4: UCF Location Constraints for 10/100 Ethernet PHY Inputs
Standard Microsystems SMSC LAN83C185 10/100 Ethernet PHY
http://www.smsc.com/main/catalog/lan83c185.html
Xilinx OPB Ethernet Media Access Controller (EMAC) (v1.02a)
http://www.xilinx.com/bvdocs/ipcenter/data_sheet/opb_ethernet.pdf
Xilinx OPB Ethernet Lite Media Access Controller (v1.01a)
The Ethernet Lite MAC controller core uses fewer FPGA resources and is ideal for
applications the do not require support for interrupts, back-to-back data transfers,
and statistics counters.
http://www.xilinx.com/bvdocs/ipcenter/data_sheet/opb_ethernetlite.pdf
EDK 8.1i Documentation
http://www.xilinx.com/ise/embedded/edk_docs.htm
| IOSTANDARD = LVCMOS33 ;
| IOSTANDARD = LVCMOS33 | SLEW = SLOW
| IOSTANDARD = LVCMOS33 | SLEW = SLOW
| IOSTANDARD = LVCMOS33 ;
| IOSTANDARD = LVCMOS33 ;
| IOSTANDARD = LVCMOS33 ;
| IOSTANDARD = LVCMOS33 ;
| IOSTANDARD = LVCMOS33 | SLEW = SLOW
| IOSTANDARD = LVCMOS33 | SLEW = SLOW
| IOSTANDARD = LVCMOS33 | SLEW = SLOW
MicroBlaze Development Kit Spartan-3E 1600 Edition User Guide
| DRIVE = 8 ;
| DRIVE = 8 ;
| DRIVE = 8 ;
| DRIVE = 8 ;
| DRIVE = 8 ;
| DRIVE = 8 ;
| DRIVE = 8 ;
| DRIVE = 8 ;
UG257_14_04_060806
UG257 (v1.1) December 5, 2007
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