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80220 Datasheet, PDF (72/91 Pages) LSI Computer Systems – 100BASE-TX/10BASE-T Ethernet Media Interface Adapter
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MII 100 Mbps
JAM
I
80220/80221
TPO±
I
CRS
TPO±
I
I
J
K DATA DATA DATA DATA DATA DATA DATA DATA DATA DATA DATA DATA
t 31
t 59
I
I
I
I
J
K
JAM JAM JAM JAM
T
R
I
I
I
COL
t 53
t 54
FBI 100 Mbps
Same as MII 100 Mbps
MII 100 Mbps
JAM
TPI±
CRS
TPO±
COL
MD400159/E
t 31
t 59
JAM JAM JAM JAM
t 53
t 54
Figure 27. Jam Timing
72
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