Xilinx Virtex-4 - Page 138

138 www.xilinx.com Embedded Tri-Mode Ethernet MAC User Guide
UG074 (v2.2) February 22, 2010
Chapter 4: Physical Interface
R
Figure 4-27: 1000BASE-X PCS/PMA (8-bit Data Client) Clock Management
UG074_3_80_030907
GT11
GT11CLK_MGT
MGTCLKP
MGTCLKN
SYNCLK1OUT
REFCLK1
RXUSRCLK2
RXUSRCLK‘0’
250 MHz
BUFG
TXUSRCLK2
TXOUTCLK1
TXUSRCLK‘0’
EMAC#
PHYEMAC#GTXCLK
CLIENTEMAC#TXCLIENTCLKIN
EMAC#CLIENTTXCLIENTCLKOUT
CLIENTEMAC#RXCLIENTCLKIN
EMAC#CLIENTRXCLIENTCLKOUT
Client
Logic
X
X
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