![](/images/new-backgrounds/1264492/264492373x1.webp)
Integrating with the Tri-Mode Ethernet MAC Core
R
IOB LOGIC
gtx_clk
IPAD
IBUFG BUFG
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| Ethernet |
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Ethernet |
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MAC |
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| PCS/PMA |
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LogiCORE |
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| or SGMII |
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| LogiCORE |
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txgmiimiiclk |
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rxgmiimiiclk |
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| SGMII Adaptation |
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clientemacrxenable |
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clientemactxenable |
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| sgmii_clk_en |
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| gtx_clk |
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| sgmii_clk_r |
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| NC |
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| userclk2 |
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speedis10100 |
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| speed_is_10_100 |
| clk125m |
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speedis100 |
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| speed_is_100 |
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emacphytxd7:0] |
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| gmii_txd_in[7:0] gmii_txd_out[7:0] |
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| gmii_txd[7:0] | TBI | ||||||||
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emacphytxen |
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| gmii_tx_en_in | gmii_tx_en_out |
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| gmii_tx_en |
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emacphytxer |
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| gmii_tx_er_in | gmii_tx_er_out |
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| gmii_tx_er |
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phyemacrxd[7:0] |
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| gmii_rxd_out[7:0] gmii_rxd_in[7:0] |
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| gmii_rxd[7:0] |
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phyemacrxdv |
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| gmii_rx_dv_out | gmii_rx_dv_in |
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| gmii_rx_dv |
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phyemacrxer |
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| gmii_rx_er_out | gmii_rx_er_in |
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| gmii_rx_er |
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emacphymclkout |
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| mdc |
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phyemacmdin |
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| mdio_in |
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emacphymdout |
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| mdio_out |
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emacphymdtri |
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| no |
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| mdio_tri |
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| connection |
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VCC
corehassgmii
Figure 13-6: Tri-Speed Ethernet MAC Extended to use an SGMII with TBI
Ethernet | www.xilinx.com | 187 |