Xilinx LogiCORE 1000BASE-X - Page 180

180 www.xilinx.com Ethernet 1000BASE-X PCS/PMA or SGMII v9.1
UG155 March 24, 2008
Chapter 13: Interfacing to Other Cores
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Figure 13-1: 1-Gigabit Ethernet MAC Extended to Include 1000BASE-X PCS with TBI
1-Gigabit Ethernet
MAC
LogiCORE
gmii_rx_clk
gmii_rxd[7:0]
gmii_rx_dv
gmii_rx_er
gmii_txd[7:0]
gmii_tx_en
gmii_tx_er
gtx_clk
mdc
mdio_in
mdio_out
mdio_tri
Ethernet 1000BASE-X
PCS/PMA or SGMII
LogiCORE
gmii_rxd[7:0]
gmii_rx_dv
gmii_rx_er
gmii_txd[7:0]
gmii_tx_en
gmii_tx_er
mdc
mdio_in
mdio_out
mdio_tri
no
connection
gtx_clk
TBI
IPAD
IBUFG
IOB
LOGIC
gtx_clk
gtx_clk_bufg (125 MHz)
BUFG
component_name _block
(Block Level from example design)