lxt971a Intel Corporation, lxt971a Datasheet - Page 11
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lxt971a
Manufacturer Part Number
lxt971a
Description
3.3v Dual-speed Fast Ethernet Phy Transceiver
Manufacturer
Intel Corporation
Datasheet
1.LXT971A.pdf
(90 pages)
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Datasheet
Document #: 249414
Revision #: 002
Rev. Date: August 7, 2002
Figure 1. LXT971A Block Diagram
LED/CFG<3:1>
ADDR<4:0>
RXD<3:0>
TXD<3:0>
RX_CLK
TX_CLK
RESET
RX_ER
MDDIS
TX_EN
TX_ER
MDINT
RXDV
MDIO
MDC
COL
CRS
Collision
Detect
Management /
Mode Select
Carrier Sense
Error Detect
Data Valid
Register
Logic
Set
Parallel/Serial
Converter
Register Set
Converter
Serial-to-
Parallel
Negotiation
Generator
100
LXT971A 3.3V Dual-Speed Fast Ethernet Transceiver
10
Clock
Auto
Descrambler
Manchester
Decoder &
Decoder
Manchester
& Encoder
Scrambler
Encoder
100
10
OSP
Slicer
Media
Select
OSP
Shaper
Pulse
™
Generator
Clock
™
Adaptive EQ with
Baseline Wander
Cancellation
OSP
TP
Driver
ECL
Driver
™
+
+
-
-
100TX
100FX
10BT
+
-
+
-
+
-
Power Supply
TP/Fiber In
TP/Fiber
JTAG
Out
5
VCC
GND
PWRDWN
REFCLK
TxSLEW<1:0>
TPFOP
TPFON
TDIO
TMS
TCK
TRST
TPFIP
TPFIN
SD/TP
11