LU3X54FT Datasheet, PDF (8/54 Pages) Agere Systems – QUAD-FET (Fast Ethernet Transceiver) for 10Base-T/100Base-TX/FX

LU3X54FT
QUAD-FET for 10Base-T/100Base-TX/FX
Data Sheet
July 2000
Description (continued)
Functional Block Diagrams (continued)
Single-Channel Detail Functions
FX_MODE_EN
100 OFF
TXD[3:0]
100 Mbits/s TRANSCEIVER
4B/5B
ENCODER
FAR-END
FAULT GEN
SCRAMBLER
PDT
PMD
TX/
FIBER PORT
CRS
COL
RXD[3:0]
RX_DV
RX_ER/RXD[4]
RX_CLK MII
TX_CLK
TXD[3:0]
TX_EN
TX_ER/TXD[4]
REF10
RX_CLK
RXD[0]
TX_CLK
TX_EN
TXD[0]
CLK20
SD
TX STATE
RX STATE ^SD
MACHINE
COLLISION
DETECT
SD
MACHINE
CAR_STAT
CIM
CARRIER
RXERR_ST ^DETECT
5B/4B
DECODER
ALIGNER
FAR-END
FAULT DETECT
DESCRAMBLER
10 Mbits/s TRANSCEIVER
LC10 LS10
LC100
LS100
MDC
MDIO
MII
MANAGEMENT
AUTONEGOTIATION
AND LINK MONITOR
LSCLK
25 MHZ
DPLL
25 MHz
125 MHz
20 MHz
DCRU
TPOUT±
FX_MODE_EN
PDR
PMD
RX/
FIBER
PORT
SD
FOSD
TPIN±
25 MHz
CRYSTAL
Figure 2. LU3X54FT Single-Channel Detail Functions
5-5136(F).gr4
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Lucent Technologies Inc.