mac/
小包装板盒
处理器
TLK3118
TLK3118
td(31:0)
TCLK
RCLK
rd(31:0)
cwdm 或者
并行的
Optics
线条 card
4
4
4
4
cwdm 或者
并行的
Optics
4
4
4
4
xchannel 一个xchannel b
xchannel b xchannel 一个
tc(3:0)
rc(3:0)
XGMII
XGMII
mac/
小包装板盒
处理器
4
TLK3118
tdp/n[3:0]0
tdp/n[3:0]1
rdp/n[3:0]0
rdp/n[3:0]1
td(31:0)
TCLK
rc(3:0)
4
4
4
rd[31:0]
framer/
PCS
phy/
Optics
转变 fabric
4
4
4
4
系统
Backplane
线条 card
tc(3:0)
TLK3118
tdp/n[3:0]0
tdp/n[3:0]1
rdp/n[3:0]0
rdp/n[3:0]1
td(31:0)
TCLK
rc(3:0)
rd[31:0]
tc(3:0)
XAUI
XAUI
RCLK
RCLK
TLK3118
RedundantXAUITransceiver
SLLS628A–DECEMBER2004–REVISEDAPRIL2005
figure1.systemblockdiagram–pcs
Figure2showsanexamplesystemblockdiagramforTLK3118usedtoprovidethesystembackplane
interconnect.
figure2.systemblockdiagram–xauibackplane
thetlk3118supportstheieee802.3definedmanagementdatainput/输出(mdio)interfacetoalloweasein
configurationandstatusmonitoringofthelink.thebi-directionaldatapin(mdio)shouldbeexternallypulledup
to2.5v.
thetlk3118supportstheieee1149.1definedjtagtestportforeaseinboardmanufacturingtest.italso
supportsacomprehensiveseriesofbuilt-intestsforself-testpurposesincludingprbsgenerationand
verification,crpat,cjpat,mixed/高/lowfrequencytesting.
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