NLXT905PE.C2 Cortina Systems Inc, NLXT905PE.C2 Datasheet - Page 9

• Manufacturer Part Number: NLXT905PE.C2
• Manufacturer: Cortina Systems Inc

Specifications of NLXT905PE.C2

• Number Of Receivers: 1
• Data Rate: 10Mbps
• Operating Supply Voltage (typ): 5V
• Package Type: PLCC
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (max): 5.25V
• Mounting: Surface Mount
• Pin Count: 28
• 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
2.0
2.1
Figure 3
2.2
Cortina Systems
Functional Description
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 integrated PLS/MAU for use with 10BASE-T twisted-pair networks.
The LXT905 Transceiver interfaces a back-end controller to a twisted-pair (TP) cable. The
controller interface includes a transmit and receive clock and NRZ data channels, and
mode control logic and signaling. The twisted-pair interface comprises the following two
circuits:
In addition to the two basic interfaces, the LXT905 Transceiver contains an internal crystal
oscillator and four LED drivers for visual status reporting.
The back-end controller side of the interface defines functions.
The LXT905 Transceiver performs all required functions defined in the IEEE 802.3
10BASE-T MAU specification as follows:
LXT905 Transceiver TPO Output Waveform
Controller Compatibility Modes
The LXT905 Transceiver is compatible with most industry standard controllers, including
devices from Advanced Micro Devices* (AMD), Fujitsu*, National Semiconductor*, Seeq*,
Motorola* and Texas Instruments*. Four different control signal timing and polarity
®
• Twisted-Pair Input (TPI)
• Twisted-Pair Output (TPO)
• The LXT905 Transceiver transmit function refers to data transmitted by the back-end
• The LXT905 Transceiver receive function refers to data received by the back-end of
• Collision detection
• Link integrity testing
• Signal quality error messaging
• Jabber control
• Loopback
LXT905 Universal 10BASE-T Transceiver with 3.3 V Support
to the twisted-pair network.
the twisted-pair network.
2.0 Functional Description
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