lxt972a Intel Corporation, lxt972a Datasheet - Page 9

• Manufacturer Part Number: lxt972a
• Description: 3.3v Dual-speed Fast Ethernet Transceiver Datasheet
• Manufacturer: Intel Corporation

Datasheet
Figure 1. LXT972A Block Diagram
LED/CFG<3:1>
RXD<3:0>
TXD<3:0>
TX_CLK
MDDIS
ADDR0
RX_ER
RESET
TX_EN
TX_ER
RX_CLK
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
3.3V Dual-Speed Fast Ethernet Transceiver Datasheet — LXT972A
Negotiation
Generator
100
10
Clock
Auto
Descrambler
Manchester
Decoder &
Decoder
Manchester
Scrambler
& Encoder
Encoder
100
10
OSP
Slicer
Select
OSP
Media
Shaper
Pulse
™
Generator
Clock
™
Adaptive EQ with
Baseline Wander
Cancellation
OSP
TP
Driver
™
+
-
100TX
10BT
+
+
-
-
Pwr Supply
TP Out
JTAG
TP In
VCC
GND
PWRDWN
REFCLK
TxSLEW<1:0>
TPOP
TPON
TDI,
TDO,
TMS,
TCK,
TRST
TPIP
TPIN
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