General Description

ASM1142 is an ASMedia first Universal Serial Bus 3.1 host controller, compliant with Intel eXtensible Hot Controller Interface specification revision 1.1, bridging PCI Express interface to two ports of USB3.1, up to 10Gbps high speed bandwidth, backward compatible with legacy USB function and devices. It can configure PCI Express as Gen2x2 or Gen3x1, compliant with USB Attach SCSI Protocol revision 1.0, supporting the functions of debugport.

 

ASM1142 integrates ASMedia self-designed PCI Express/USB 3.1 PHY, and it also integrates two internal regulators to supply normal core power and suspend core power, supporting the driver on Windows 7, Windows 8.0, Windows 8.1 and various Linux Kernels. The application of ASM1142 includes Motherboard, Desktop PC, Notebooks, Workstations, Servers, Add-in card, PCI Express based embedded platform.

Features

General Feature

  • Bridge PCI Express to USB3.1
  • Integrate eXtensible Host Controller
  • Compliant with eXtensible Host Controller Interface specification Revision 1.1
  • Upload firmware through external SPI ROM
  • External 20MHz differential crystal
  • Support driver on Windows7, Windows8, Windows 8.1, and Windows 10
  • Support various Linux kernels

PCI Express Feature

  • Support PCI Express Gen-III x2
  • Support high bandwidth performance with low latency
  • Support PCI Express Link power management
  • Compliant with PCI Express Base 3.0 Specification
  • Compliant with PCI Express Card Electromechanical 2.0 specification
  • Compliant with PCI Express Mini Card Electromechanical 1.2 specification
  • Compliant with PCI Bus Power Management Interface Specification Revision 1.2
  • Compliant with PCI Local Bus Specification Revision 3.0
  • Integrate Spread Spectrum Controller for PCI Express interface
  • Overclock capability on PCI Express bus
  • Support SRIS mode
  • Not support lane reversal

USB Feature

  • Support two ports of USB3.1
  • Up to USB3.1 Gen-II 10Gbps
  • Compliant with Universal Serial Bus 3.1 Specification Revision 1.0
  • Compliant with Universal Serial Bus Specification Revision 2.0
  • Compliant with USB Attached SCSI Protocol Revision 1.0
  • Support USB3.1 and USB2.0 Link Power Management
  • Support Control, Bulk, Stream, Interrupt, Isochronous transfer type
  • upport independent port power control
  • Support overcurrent detection
  • Support Remote/Wakeup event      
  • Integrate Spread Spectrum Controller for USB3.1 interface
  • Backward compatible with Legacy USB function and device

Package Type

Green Package 9x9 QFN64 (Pb-free) - RoHS Compliance

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