DJLXT905LE.C2 Cortina Systems Inc, DJLXT905LE.C2 Datasheet - Page 3

• Manufacturer Part Number: DJLXT905LE.C2
• Manufacturer: Cortina Systems Inc

Specifications of DJLXT905LE.C2

• Number Of Receivers: 1
• Data Rate: 10Mbps
• Protocols Supported: 10BASE-T
• Operating Supply Voltage (typ): 5V
• Package Type: LQFP
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (max): 5.25V
• Mounting: Surface Mount
• Pin Count: 32
• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Lead Free Status / RoHS Status: Not Compliant

LXT905 Transceiver
Datasheet
249271, Revision 5.1
5 November 2007
Contents
1.0
2.0
3.0
4.0
5.0
Figures
1
2
3
4
5
6
7
8
9
10
11
Cortina Systems
Pin Assignments and Signal Descriptions ................................................................................. 7
Functional Description.................................................................................................................. 9
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
2.10
Application Information .............................................................................................................. 16
3.1
3.2
3.3
3.4
Test Specifications ...................................................................................................................... 21
4.1
4.2
4.3
4.4
Mechanical Specifications .......................................................................................................... 33
LXT905 Transceiver Block Diagram ................................................................................................6
LXT905 Pin Assignments ................................................................................................................ 7
LXT905 Transceiver TPO Output Waveform................................................................................... 9
Jabber Control Function ................................................................................................................ 11
SQE Function ................................................................................................................................ 12
Collision Detection Function .......................................................................................................... 13
Link Integrity Test Function ...........................................................................................................15
Intel* Controller Application (Mode 2) ............................................................................................ 18
LXT905 Transceiver/380C26 Interface for Dual 10BASE-T and Token Ring Support .. (Mode 4)19
LXT905 Transceiver/MC68EN360 Interface for Full Duplex 10BASE-T
Mode 1 RCLK/Start-of-Frame Timing ............................................................................................24
(Mode 1) .................................................................................................................................. 20
Introduction ........................................................................................................................... 9
Controller Compatibility Modes ............................................................................................. 9
Transmit Function ............................................................................................................... 10
Jabber Control Function .....................................................................................................10
SQE Function ..................................................................................................................... 11
Receive Function ................................................................................................................ 12
Polarity Reverse Function...................................................................................................12
Collision Detection Function ............................................................................................... 13
Loopback Functions............................................................................................................ 14
2.9.1
2.9.2
Link Integrity Test Function................................................................................................. 14
Introduction ......................................................................................................................... 16
3.1.1
3.1.2
3.1.3
3.1.4
3.1.5
Typical 10BASE-T Application ............................................................................................ 17
Dual Network Support - 10BASE-T and Token Ring .......................................................... 18
Simple 10BASE-T Connection............................................................................................ 20
Timing Diagrams for Mode 1 (MD1 = Low, MD0 = Low) ....................................................24
Timing Diagrams for Mode 2 (MD1 = Low, MD0 = High)....................................................27
Timing Diagrams for Mode 3 (MD1 = High, MD0 = Low)....................................................29
Timing Diagrams for Mode 4 (MD1 = High, MD0 = High) ................................................... 31
®
LXT905 Universal 10BASE-T Transceiver with 3.3 V Support
Internal Loopback .................................................................................................. 14
External Loopback/Full Duplex .............................................................................. 14
Termination Circuitry..............................................................................................16
Twisted-Pair Interface ............................................................................................ 16
RBIAS Pin .............................................................................................................. 16
Crystal Information................................................................................................. 16
Magnetic Information ............................................................................................. 17
Contents
Page 3