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| 80220 Datasheet, PDF (64/91 Pages) LSI Computer Systems – 100BASE-TX/10BASE-T Ethernet Media Interface Adapter | |||
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80220/80221
MII 100 Mbps
TPI± IDLE
J
K DATA DATA DATA DATA DATA DATA DATA DATA DATA DATA DATA DATA DATA
DATA DATA DATA DATA DATA
CRS
RX_CLK
RX_DV
t 31
t 41
t 39
t 38
TX
TX
TX
TX
TX
RX
RX
RX
RX
RX
RX
t 37
t 33
RXD [3:0]
RX_ER
t 43
PLEDn
t 37
PREAMBLE PREAMBLE PREAMBLE PREAMBLE PREAMBLE
t 37
t 37
t 44
FBI 100 Mbps
Same as MII 100 Mbps except:
1. RX_ER Converted to RXD4
2. TX_ER Converted to TXD4
Figure 19. Receive Timing, Start of Packet - 100 Mbps
64
MD400159/E
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