Marvell Brightlane Ethernet PHYs

88Q211x

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88Q211x 100/1000BASE-T1 PHY

Marvell® 88Q2110/88Q2112 solutions are single pair Ethernet physical layer transceivers (PHYs) that implement the Ethernet physical layer portion of the 100/1000BASE-T1 standard as defined by the IEEE 802.3bw and IEEE 802.3bp standard. Ideally suited for a wide range of automotive applications, they are manufactured using a standard digital CMOS process and contain all the active circuitry required to implement the physical layer functions to transmit and receive data on a single balanced twisted pair.

88Q2110/88Q2112 integrates media dependent interface (MDI) termination resistors into the PHY which simplifies the board layout and reduces board cost by reducing the number of external components.  Also, they support an integrated linear voltage regulator to generate all required voltages so the device can run off a single 3.3V supply. Both solutions support 1.8V, 2.5V, and 3.3V LVCMOS I/O standards.

Key Features

  • Four RGMII timing modes including integrated delays
  • Signal quality indicator (SQI)
  • Integrated Virtual Cable Tester
  • Integrated passive filter network
  • Integrated LDO

Applications

  • Automotive infotainment systems
  • Advanced driver assist systems
  • Automotive diagnostics
  • Body electronics

Documentation

JasPar Tested

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The Marvell 88Q2112 solution has completed conformance tests outlined by Japan Automotive Software Platform and Architecture (JasPar), passing all tests by a considertable margin. 

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Open Alliance

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Marvell is a SIG Adopter member of the Open Alliance, a non-profit, open industry alliance of automotive industry and technology providers collaborating to encourage wide scale adoption of Ethernet-based networks as the standard in automotive networking applications.

Additional Information

Additional product information is available under NDA on the Marvell Extranets. To contact Marvell Sales, please submit your inquiry via request for information below.

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