Figure 2-5 – Xilinx 1000BASE-X User Manual

Page 29

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Ethernet 1000BASE-X PCS/PMA or SGMII v9.1

www.xilinx.com

29

UG155 March 24, 2008

Core Interfaces

R

Figure 2-5

shows the pinout for the Ethernet 1000BASE-X PCS/PMA or SGMII core when

using the TBI with optional PCS Management Registers. The signals shown in the Auto-
Negotiation box are included only when the core includes the Auto-Negotiation
functionality (see

Chapter 3, “Generating and Customizing the Core”

).

).

Figure 2-5:

Component Pinout Using the Ten-Bit Interface

with PCS Management Registers

mdc

mdio_in

gmii_rxd[7:0]

gmii_txd[7:0]

gmii_tx_en

tx_code_group[9:0]

rx_code_group0[9:0]

gmii_tx_er

reset

gmii_rx_dv
gmii_rx_er

pma_rx_clk0

GMII

MDIO

phyad[4:0]

gtx_clk

signal_detect

mdio_out
mdio_tri

loc_ref

ewrap

pma_rx_clk1

en_cdet

rx_code_group1[9:0]

Ten-Bit Interface (TBI)

gmii_isolate

link_timer_value[8:0]

an_interrupt

Auto_Negotiation

status_vector[4:0]

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