DJLXT905LE.C2 Cortina Systems Inc, DJLXT905LE.C2 Datasheet

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Cortina Systems 10BASE-T Transceiver with 3.3 V Support Datasheet ® The Cortina Systems LXT905 Universal 10BASE-T Transceiver with 3.3 V Support (LXT905 Transceiver) is designed for IEEE 802.3 physical layer applications. It provides single CMOS device, all the ...

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LXT905 Transceiver Datasheet 249271, Revision 5.1 5 November 2007 INFORMATION IN THIS DOCUMENT IS PROVIDED IN CONNECTION WITH CORTINA SYSTEMS NO LICENSE, EXPRESS OR IMPLIED, BY ESTOPPEL OR OTHERWISE, TO ANY INTELLECTUAL PROPERTY RIGHTS IS GRANTED BY THIS DOCUMENT. EXCEPT ...

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LXT905 Transceiver Datasheet 249271, Revision 5.1 5 November 2007 Contents 1.0 Pin Assignments and Signal Descriptions ................................................................................. 7 2.0 Functional Description.................................................................................................................. 9 2.1 Introduction ........................................................................................................................... 9 2.2 Controller Compatibility Modes ............................................................................................. 9 2.3 Transmit Function ............................................................................................................... 10 2.4 Jabber Control ...

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LXT905 Transceiver Datasheet 249271, Revision 5.1 5 November 2007 12 Mode 1 RCLK/End-of-Frame Timing ............................................................................................. 25 13 Mode 1 Transmit Timing ................................................................................................................ 25 14 Mode 1 COL Output Timing...........................................................................................................26 15 Mode 2 RCLK/Start-of-Frame........................................................................................................ 27 16 Mode 2 RCLK/End-of-Frame Timing ............................................................................................. ...

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LXT905 Transceiver Datasheet 249271, Revision 5.1 5 November 2007 Revision History Removed ordering and marking information. This information is now available from www.cortina-systems.com. • First release of this document from Cortina Systems, Inc. • Added Section 6.0, “Top-Label Device Marking” ...

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LXT905 Transceiver Datasheet 249271, Revision 5.1 5 November 2007 Figure 1 LXT905 Transceiver Block Diagram Mode Select Logic Controller LI Compatibility / Loopback / TCLK Link Test CLKI XTAL OSC CLKO Manchester TEN Encoder TXD CD Squelch/ Link Detect LEDL ...

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LXT905 Transceiver Datasheet 249271, Revision 5.1 5 November 2007 1.0 Pin Assignments and Signal Descriptions Figure 2 LXT905 Pin Assignments 1 LBK TEN 2 3 TCLK LQFP 4 TXD 5 COL LEDC/FDE 6 7 LEDT/PDN 8 LEDR Table 1 LXT905 ...

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LXT905 Transceiver Datasheet 249271, Revision 5.1 5 November 2007 Table 1 LXT905 Transceiver Signal Descriptions (Sheet LQFP PLCC Symbol I/O Pin # Pin # O LEDC FDE I LEDT PDN I 8 ...

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LXT905 Transceiver Datasheet 249271, Revision 5.1 5 November 2007 2.0 Functional Description 2.1 Introduction The LXT905 Transceiver performs the physical layer signaling (PLS) and Media Attachment Unit (MAU) functions, as defined in the IEEE 802.3 specification. It functions as an ...

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LXT905 Transceiver Datasheet 249271, Revision 5.1 5 November 2007 schemes (Modes 1 through 4) provide this compatibility. The MD0 and MD1 mode select pins determine controller compatibility modes (see Specifications, on page 21 2.3 Transmit Function The LXT905 Transceiver receives ...

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LXT905 Transceiver Datasheet 249271, Revision 5.1 5 November 2007 Figure 4 Jabber Control Function 2.5 SQE Function The LXT905 Transceiver supports the Signal Quality Error (SQE) function (see After every successful transmission on the 10BASE-T network, the LXT905 Transceiver transmits ...

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LXT905 Transceiver Datasheet 249271, Revision 5.1 5 November 2007 Figure 5 SQE Function Output Idle Output Detected DSQE=1 SQE Wait Test Start_SQE_Test__Wait_Timer XMIT=Disable SQE Test Start_SQE_Test_Timer CI=SQE SQE_Test_Timer_Done 2.6 Receive Function The LXT905 Transceiver receive function acquires timing and data ...

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LXT905 Transceiver Datasheet 249271, Revision 5.1 5 November 2007 • Reversed polarity also occurs if the LXT905 Transceiver receives four consecutive frames with a reversed start-of-idle. • Whenever the LXT905 Transceiver receives a correct polarity frame or a correct link ...

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LXT905 Transceiver Datasheet 249271, Revision 5.1 5 November 2007 2.9 Loopback Functions 2.9.1 Internal Loopback The LXT905 Transceiver provides a standard loopback mode, as specified in the IEEE specification for the twisted-pair port. It also provides a forced internal loopback ...

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LXT905 Transceiver Datasheet 249271, Revision 5.1 5 November 2007 Figure 7 Link Integrity Test Function Power On Idle Test Start_Link_Loss_Timer Start_Link_Test_Min_Timer Link_Loss_Timer_Done ∗ TPI=Idle ∗ Link_Test_Rcvd=False Link Test Fail Reset Link_Count=0 XMIT=Disable RCVR=Disable LPBK=Disable Link_Test_Rcvd=False TPI=Active ∗ TPI=Idle Link Test ...

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LXT905 Transceiver Datasheet 249271, Revision 5.1 5 November 2007 3.0 Application Information 3.1 Introduction Figure 8, Intel* Controller Application (Mode 2), on page 18 Transceiver/MC68EN360 Interface for Full Duplex 10BASE-T (Mode 1), on page 20 typical LXT905 Transceiver applications. These ...

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LXT905 Transceiver Datasheet 249271, Revision 5.1 5 November 2007 3.1.5 Magnetic Information The LXT905 Transceiver requires a 1:1 turns ratio for the receive transformer, and a 1:2 turns ratio for the transmit transformer. The Magnetic Manufacturers for Networking Product Applications ...

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LXT905 Transceiver Datasheet 249271, Revision 5.1 5 November 2007 . Figure 8 Intel* Controller Application (Mode 2) Not Connected CLK 20 MHz System Clock TXD RTS 82596 TXC Back-End/ RXC Controller Interface RXD CRS CDT Programming Options Link Test Enable ...

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LXT905 Transceiver Datasheet 249271, Revision 5.1 5 November 2007 Figure 9 LXT905 Transceiver/380C26 Interface for Dual 10BASE-T and Token Ring Support (Mode TMS38054 Token Ring Transceiver TXD TXE TXC RXC RXD CRS COL LBK +5V Line Status ...

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LXT905 Transceiver Datasheet 249271, Revision 5.1 5 November 2007 3.4 Simple 10BASE-T Connection Figure 10 shows a simple 10BASE-T application, using an LXT905 Transceiver and a Motorola* MC68EN360. The MC68EN360 is compatible with Mode 1 (MD0 and MD1 both Low). ...

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LXT905 Transceiver Datasheet 249271, Revision 5.1 5 November 2007 4.0 Test Specifications The minimum and maximum values in Note: Figure 26 represent the performance specifications of the LXT905 Transceiver. These specifications are guaranteed by test, except where noted by design. ...

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LXT905 Transceiver Datasheet 249271, Revision 5.1 5 November 2007 Table 7 I/O Electrical Characteristics (Sheet Parameter CLKI duty cycle (externally driven) Normal Mode Supply current Power Down Mode 1. Typical values are at 25 °C, are for ...

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LXT905 Transceiver Datasheet 249271, Revision 5.1 5 November 2007 Table 10 RCLK/Start-of-Frame Timing (Sheet Parameter Mode 1 Receive data hold from RCLK Modes 2, 3, and 4 RCLK shut off delay from CD assert (Mode 3) 1. ...

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LXT905 Transceiver Datasheet 249271, Revision 5.1 5 November 2007 4.1 Timing Diagrams for Mode 1 (MD1 = Low, MD0 = Low) Timing diagrams for Mode 1 include Figure 11 Mode 1 RCLK/Start-of-Frame Timing TPIP/TPIN t ...

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LXT905 Transceiver Datasheet 249271, Revision 5.1 5 November 2007 Figure 12 Mode 1 RCLK/End-of-Frame Timing TPIP/TPIN RCLK RXD 1 0 Figure 13 Mode 1 Transmit Timing TEN t EHCH TCLK TXD t ...

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LXT905 Transceiver Datasheet 249271, Revision 5.1 5 November 2007 Figure 14 Mode 1 COL Output Timing TEN COL ® Cortina Systems LXT905 Universal 10BASE-T Transceiver with 3.3 V Support 4.1 Timing Diagrams for Mode 1 (MD1 = Low, MD0 = ...

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LXT905 Transceiver Datasheet 249271, Revision 5.1 5 November 2007 4.2 Timing Diagrams for Mode 2 (MD1 = Low, MD0 = High) Timing diagrams for Mode 2 include Figure 15 Mode 2 RCLK/Start-of-Frame TPIP/TPIN t CD ...

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LXT905 Transceiver Datasheet 249271, Revision 5.1 5 November 2007 Figure 17 Mode 2 Transmit Timing TEN t EHCH TCLK TXD t STUD TPO Figure 18 Mode 2 COL Output Timing TEN COL 1. CD output is disabled for a maximum ...

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LXT905 Transceiver Datasheet 249271, Revision 5.1 5 November 2007 4.3 Timing Diagrams for Mode 3 (MD1 = High, MD0 = Low) Timing diagrams for Mode 3 include Figure 19 Mode 3 RCLK/Start-of-Frame Timing TPIP/TPIN t ...

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LXT905 Transceiver Datasheet 249271, Revision 5.1 5 November 2007 Figure 21 Mode 3 Transmit Timing TEN t EHCH TCLK TXD t STUD TPO Figure 22 Mode 3 COL Output Timing TEN COL ® Cortina Systems LXT905 Universal 10BASE-T Transceiver with ...

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LXT905 Transceiver Datasheet 249271, Revision 5.1 5 November 2007 4.4 Timing Diagrams for Mode 4 (MD1 = High, MD0 = High) Timing diagrams for Mode 4 include Figure 23 Mode 4 RCLK/Start-of-Frame Timing TPIP/TPIN t ...

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LXT905 Transceiver Datasheet 249271, Revision 5.1 5 November 2007 Figure 25 Mode 4 Transmit Timing TEN t EHCH TCLK TXD t STUD TPO Figure 26 Mode 4 COL Output Timing TEN COL ® Cortina Systems LXT905 Universal 10BASE-T Transceiver with ...

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LXT905 Transceiver Datasheet 249271, Revision 5.1 5 November 2007 5.0 Mechanical Specifications Figure 27 LXT905PC Package Specifications 28-Pin PLCC • Part Number LXT905PC (Commercial Temperature Range) • Part Number LXT905PE (Extended Temperature Range) ® Cortina Systems LXT905 Universal 10BASE-T Transceiver ...

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LXT905 Transceiver Datasheet 249271, Revision 5.1 5 November 2007 Figure 28 LXT905LC Package Specifications 32-Pin LQFP • Part Number LXT905LC (Commercial Temperature Range) • Part Number LXT905LE (Extended Temperature Range All Dimensions ...

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For additional product and ordering information: www.cortina-systems.com ~ End of Document ~ TM ...