80220 Datasheet, PDF (62/91 Pages) LSI Computer Systems – 100BASE-TX/10BASE-T Ethernet Media Interface Adapter

MII 10MB
TX_CLK
TX_EN
CRS
TXD [3:0]
TPO±
PLEDn
80220/80221
t ₁₁
t15
t ₁₆
t ₁₇
t ₁₈
N0
N1
t ₂₃
t27
t19 t20
N2
N3
t ₂₄
PREAMBLE PREAMBLE
t28
t12 t13
t ₁₄
t14
DATA
DATA
t ₂₆
t ₂₅
SOI
Figure 18. Transmit Timing - 10 Mbps
62
MD400159/E