Figure 7-1: External Gmii Transmitter Logic; Ug144 April - Xilinx LogiCORE IP MAC v8.5 User Manual

R
IOB LOGIC
IBUFG
gtx_clk
IPAD
1-Gigabit Ethernet MAC LogiCORE
gtx_clk
62
-- DISCONTINUED PRODUCT --
BUFG
gtx_clk_bufg
gmii_txd_int[0]
gmii_txd[0]
gmii_tx_en_int
gmii_tx_en
gmii_tx_er_int
gmii_tx_er

Figure 7-1: External GMII Transmitter Logic

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Chapter 7: Using the Physical Side Interface
IOB LOGIC
FDDRRSE
'0'
D Q
'1'
D Q
gmii_txd_reg[0]
D Q
gmii_tx_en_reg
D Q
gmii_tx_er_reg
D Q
1-Gigabit Ethernet MAC v8.5 User Guide
OBUF
gmii_tx_clk
OPAD
OBUF
gmii_txd[0]
OPAD
OBUF
gmii_tx_en
OPAD
OBUF
gmii_tx_er
OPAD

UG144 April 24, 2009