10 Gigabit to 1 Gigabit Ethernet Converter (XG2G) - Cadence
10 Gigabit to 1 Gigabit Ethernet Converter (XG2G) - Cadence
10 Gigabit to 1 Gigabit Ethernet Converter (XG2G) - Cadence
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<strong>XG2G</strong> Technical Data Sheet<br />
Receive Datapath<br />
125MHz Receive Clock (GMII),<br />
or<br />
25MHz Receive Clock (MII)<br />
15.625MHz Receive Clock div 8<br />
(GMII), or<br />
1.5625MHz Receive Clock div 16<br />
(MII)<br />
Cyclical<br />
Ordering<br />
Data push<br />
control logic<br />
(every 8th clock<br />
cycle)<br />
Slow Clock<br />
sync genera<strong>to</strong>r<br />
7<br />
-3<br />
GMII or MII<br />
data stream<br />
Preamble reconstruction<br />
SOP/EOP<br />
Detection<br />
and<br />
conversion<br />
6<br />
5<br />
4<br />
3<br />
2<br />
1<br />
-2<br />
-1<br />
0<br />
-3<br />
-2<br />
-1<br />
Data<br />
ordering<br />
control<br />
logic<br />
SOP<br />
64 bit Data<br />
and<br />
8 bit Control<br />
XGMII Data<br />
Stream<br />
0<br />
0<br />
SOP<br />
idle<br />
change<br />
for<br />
reseting<br />
SOP<br />
position<br />
Samples<br />
Data<br />
every<br />
clock<br />
cycle<br />
Document No: I-IPA01-0213-USR Rev 06, March 2011<br />
© 2004-2011 <strong>Cadence</strong> Design Systems, Inc. Page 6
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