80220 Datasheet, PDF (61/91 Pages) LSI Computer Systems – 100BASE-TX/10BASE-T Ethernet Media Interface Adapter

80220/80221
MII 100MBPS
TX_CLK
TX_EN
CRS
TXD [3:0]
TX_ER
TPO±
PLEDn
t15
t ₁₆
t ₁₇
t ₁₈
t19 t20
N0
N1
N2
N3
t ₂₁
t22
IDLE
t ₂₃
IDLE
t27
/J/K/
t ₂₄
t28
t ₁₁
t12 t13
t ₁₄
t14
DATA
/T/R/
IDLE
FBI 100MBPS
Same as MII 100Mbps Except:
1. TX_ER Converted to TXD4
2. RX_ER Converted to RXD4
Figure 17. Transmit Timing - 100 Mbps
46-611
MD400159/E