FWLXT9784BE.A3 Cortina Systems Inc, FWLXT9784BE.A3 Datasheet - Page 3

• Manufacturer Part Number: FWLXT9784BE.A3
• Manufacturer: Cortina Systems Inc

Specifications of FWLXT9784BE.A3

• Lead Free Status / RoHS Status: Not Compliant

Contents
1.0
2.0
Datasheet
Pin Assignments and Signal Descriptions
Functional Description
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
2.10
2.11
2.12
Introduction..........................................................................................................29
LXT9784 Configuration .......................................................................................29
100BASE-TX Mode .............................................................................................30
2.3.1
2.3.2
10BASE-T Mode .................................................................................................36
2.4.1
2.4.2
MDI/MDI-X Function............................................................................................38
2.5.1
2.5.2
Hardware Control Interface .................................................................................40
2.6.1
2.6.2
2.6.3
2.6.4
2.6.5
PHY Addresses ...................................................................................................41
Link Status Interrupt ............................................................................................41
Reset ...................................................................................................................42
LED Operation.....................................................................................................42
MII Management Interface Operation..................................................................43
Test Port Operation .............................................................................................44
2.12.1 NAND-Tree Test.....................................................................................44
2.12.2 XNOR-Tree Test ....................................................................................45
100BASE-TX Receiver ...........................................................................30
2.3.1.1 Digital Adaptive Equalizer .........................................................30
2.3.1.2 Receive Clock and Data Recovery............................................30
2.3.1.3 Baseline Wander Correction .....................................................31
2.3.1.4 Decoder .....................................................................................31
2.3.1.5 100BASE-TX Receive Framing .................................................31
2.3.1.6 100BASE-TX RMII Data Reception...........................................31
2.3.1.7 100BASE-TX SMII Data Reception ...........................................31
2.3.1.8 100BASE-TX Receive Error Detection and Reporting ..............32
100BASE-TX Transmitter.......................................................................33
2.3.2.1 100BASE-TX 4B/5B Encoder ....................................................33
2.3.2.2 100BASE-TX Scrambler and MLT-3 Encoder ...........................33
2.3.2.3 Transmit Driver ..........................................................................35
2.3.2.4 100BASE-TX Transmit Framing ................................................35
10BASE-T Receiver ...............................................................................36
2.4.1.1 10BASE-T Manchester Decoder ...............................................36
2.4.1.2 10BASE-T Receive Buffer and Filter .........................................37
2.4.1.3 10BASE-T Error Detection and Reporting.................................37
2.4.1.4 10BASE-T Link Integrity ............................................................37
2.4.1.5 10BASE-T Jabber Control Function ..........................................37
2.4.1.6 10BASE-T Full Duplex ..............................................................38
10BASE-T Transmit ...............................................................................38
2.4.2.1 10BASE-T Manchester Encoder ...............................................38
2.4.2.2 10BASE-T Driver and Filter .......................................................38
MDI/MDI-X Auto Switching Activation ....................................................39
MDI/MDI-X Algorithm .............................................................................39
MDI-X (MDI Crossover) ..........................................................................40
FRCLNK (Force Link).............................................................................40
FRC34 (Force 34 Transmit Pattern) .......................................................40
BP4B5B (4B/5B Bypass)........................................................................40
SCRMBP (Scrambler Bypass) ...............................................................41
...........................................................................................29
Low-Power Octal PHY — LXT9784
....................................................10
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