Xilinx LogiCORE 1000BASE-X User Manual page 187

Integrating with the Tri-Mode Ethernet MAC Core
Tri-Speed
Ethernet
LogiCORE
txgmiimiiclk
rxgmiimiiclk
clientemacrxenable
clientemactxenable
speedis10100
speedis100
emacphytxd7:0]
emacphytxen
emacphytxer
phyemacrxd[7:0]
phyemacrxdv
phyemacrxer
emacphymclkout
phyemacmdin
emacphymdout
emacphymdtri
corehassgmii
Figure 13-6: Tri-Speed Ethernet MAC Extended to use an SGMII with TBI
Ethernet 1000BASE-X PCS/PMA or SGMII v9.1
UG155 March 24, 2008
gtx_clk
IPAD
component_name _block
(Block Level from example design)
MAC
sgmii_clk_en
sgmii_clk_r
NC
speed_is_10_100
speed_is_100
gmii_txd_in[7:0]
gmii_tx_en_in
gmii_tx_er_in
gmii_rxd_out[7:0]
gmii_rx_dv_out
gmii_rx_er_out
VCC
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IOB LOGIC
IBUFG BUFG
SGMII Adaptation
module
clk125m
gmii_txd_out[7:0]
gmii_tx_en_out
gmii_tx_er_out
gmii_rxd_in[7:0]
gmii_rx_dv_in
gmii_rx_er_in
no
connection
Ethernet
1000BASE-X
PCS/PMA
or SGMII
LogiCORE
gtx_clk
userclk2
gmii_txd[7:0] TBI
gmii_tx_en
gmii_tx_er
gmii_rxd[7:0]
gmii_rx_dv
gmii_rx_er
mdc
mdio_in
mdio_out
mdio_tri
R
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