Ethernet 1000BASE-X PCS/PMA or SGMII v9.1 www.xilinx.com
UG155 March 24, 2008
R
Chapter 11: Dynamic Switching of 1000BASE-X and SGMII Standards
Figure 11-1: Typical Application for Dynamic Switching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Chapter 12: Constraining the Core
Figure 12-1: Local Clock Place and Route for Top MGT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
Figure 12-2: Input TBI timing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
Figure 12-3: Input GMII timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
Figure 12-4: Timing Report Setup/Hold Illustration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
Chapter 13: Interfacing to Other Cores
Figure 13-1: 1-Gigabit Ethernet MAC Extended to Include 1000BASE-X PCS with TBI . . . . . . . . 180
Figure 13-2: 1-Gigabit Ethernet MAC Extended to Include 1000BASE-X PCS and PMA
Using a Virtex-II Pro MGT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
Figure 13-3: 1-Gigabit Ethernet MAC Extended to Include 1000BASE-X PCS and PMA
Using a Virtex-4 MGT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
Figure 13-4: 1-Gigabit Ethernet MAC Extended to Include 1000BASE-X PCS and PMA
Using a Virtex-5 GTP Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
Figure 13-5: 1-Gigabit Ethernet MAC Extended to Include 1000BASE-X PCS and PMA
Using a Virtex-5 GTX Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
Figure 13-6: Tri-Speed Ethernet MAC Extended to use an SGMII with TBI . . . . . . . . . . . . . . . . . . 187
Figure 13-7: Tri-Speed Ethernet MAC Extended to use an SGMII in Virtex-II Pro . . . . . . . . . . . . 189
Figure 13-8: Tri-Speed Ethernet MAC Extended to Use an SGMII in Virtex-4 . . . . . . . . . . . . . . . . 191
Figure 13-9: Tri-Speed Ethernet MAC Extended to use an SGMII in Virtex-5 LXT/SXT. . . . . . . . 193
Figure 13-10: Tri-Speed Ethernet MAC Extended to use an SGMII in Virtex-5 FXT . . . . . . . . . . . 195
Chapter 14: Special Design Considerations
Figure 14-1: Loopback Implementation Using the TBI. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198
Figure 14-2: Loopback Implementation When Using the Core with RocketIO Transceivers . . . . 199
Appendix D: 1000BASE-X State Machines
Figure D-1: 1000BASE-X Transmit State Machine Operation (Even Case) . . . . . . . . . . . . . . . . . . . . 212
Figure D-2: 1000BASE-X Reception State Machine Operation (Even Case) . . . . . . . . . . . . . . . . . . . 213
Figure D-3: 1000BASE-X Transmit State Machine Operation (Odd Case) . . . . . . . . . . . . . . . . . . . . 214
Figure D-4: 1000BASE-X Reception State Machine Operation (Odd Case). . . . . . . . . . . . . . . . . . . . 214
Figure D-5: 1000BASE-X Transmit State Machine Operation (Even Case) . . . . . . . . . . . . . . . . . . . . 215
Figure D-6: 1000BASE-X Reception State Machine Operation (Even Case) . . . . . . . . . . . . . . . . . . . 216
Figure D-7: 1000BASE-X Transmit State Machine Operation (Even Case) . . . . . . . . . . . . . . . . . . . . 217
Figure D-8: 1000BASE-X Reception State Machine Operation (Odd Case). . . . . . . . . . . . . . . . . . . . 217
Appendix E: Rx Elastic Buffer Specifications
Figure E-1: Elastic Buffer Sizes for all RocketIO Transceiver Families . . . . . . . . . . . . . . . . . . . . . . . 220
Figure E-2: Elastic Buffer Size for all RocketIO families . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222
Figure E-3: TBI Elastic Buffer Size for All Families. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
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