Electronic Component Solutions

PCIe 3.1 Ethernet bridge

Embedded and automotive platform designers who are seeking Peripheral Component Interconnect Express® (PCIe®) 3.1 Low-Power Sub-State (LPSS) L1.1 and L1.2 for power savings now have new options available today from Microchip. The LAN7430 Ethernet bridge provides integrated power, clocks and an Ethernet physical (PHY) interface while the LAN7431 provides Reduced Gigabit Media-Independent Interface (RGMII) for alternative PHYs and switches. The LPSS L1.1 (snooze) and L1.2 (off) enables designers to reduce power consumption and improve battery life by snoozing or turning off the high-speed circuits in the PHY when not in use.

Features:

  • Integrated 10/100/1000 Physical Layer
  • EEE 1588-2008 Precision Time Protocol
  • Comprehensive Driver Support
  • Single-chip, PCIe 3.1 @ 2.5GT/s to 10/100/1000 Ethernet controller
    – PCIe Low Power Sub State LPSS L1.1 (snooze) & L1.2 (off)
    – Requires only a single 25MHz crystal or single ended clock
    – 9K jumbo frames are supported
  • Internal OTP memory to remove the need for external EEPROM
    – Integrated 10/100/1000 Physical Layer
    – Fully supports IEEE 802.3/802.3u/802.3ab standards
    – IEEE 802.3az-2010 – Energy Efficient Ethernet (EEE)
    – Cable diagnostics including cable length measurement
  • IEEE 1588-2008 Precision Time Protocol
    – IEEE 1588-2008 E2E and P2P one and two step supported
    – IEEE 1588-2008 Programmable Time Compare output (Eg: 1PPS)
  • Comprehensive Driver Support
    – Windows OneCore with WHQL Certification
    – Linux driver in mainline kernel

LAN7430 Datasheet

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