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106 www.xilinx.com Ethernet 1000BASE-X PCS/PMA or SGMII v9.1
UG155 March 24, 2008
Chapter 8: SGMII / Dynamic Standards Switching with RocketIO Transceivers
R
Getting Started Guide and the CORE Generator Guide, at
www.xilinx.com/support/software_manuals.htm
.
Figure 8-6: SGMII Connection to a Virtex-5 RocketIO GTX Transceiver
Ethernet 1000BASE-X
PCS/PMA or SGMII
LogiCORE
Virtex-5
GTP
RocketIO
(used)
TXUSRCLK0
TXUSRCLK20
RXUSRCLK20
userclk
userclk2
rxbufstatus[1:0]
rxchariscomma
rxcharisk
rxclkcorcnt[2:0]
rxdata[7:0]
rxrundisp
powerdown
txchardispmode
txchardispval
txcharisk
txdata[7:0]
enablealign
RXCHARISCOMMA0
RXCHARISK0
RXDATA0[7:0]
RXRUNDISP0
POWERDOWN0
TXCHARDISPMODE0
TXCHARDISPVAL0
TXCHARISK0
TXDATA[07:0]
RXENPCOMMAALIGN0
RXENMCOMMAALIGN0
RXDISPERR0
rxdisperr
CLKIN
REFCLKOUT
FPGA
fabric
Rx
Elastic
Buffer
RXNOTINTABLE0
rxnotintable
BUFR
RXRECCLK0
component_name_block
(Block Level from
example design)
RXUSRCLK0
clkin
(125MHz)
IBUFGDS
IPAD
brefclkp
IPAD
brefclkn
rocketio_wrapper_gtp_tile
rocketio_wrapper_gtp
userclk2
(125MHz)
DCM
CLKIN
CLK0
FB
BUFG
CLKDV
BUFG
userclk
(62.5MHz)