U3X8-PCIE8XE104 | Octad Channel 8-port (4-port x 8) USB 3.0 to PCI Express x8 Gen 2 Host Card

U3X8-PCIE8XE104

Octad Channel 8-port (1-port x 8) USB 3.0 to PCI Express x8 Gen 2 Host Card

Octad Channel 8-port (1-port x 8) USB 3.0 to PCI Express x8 Gen 2 Host Card

Highlights

  • Host Bus: PCIe x8 Gen 2 (40.0 Gb/s)
    • Compliant with PCI Express Base Specification Revision 2.0
  • Eight independent USB 3.0 Host Controllers (Renesas uPD720202; USB IF TID 380000043)
    • Compliant with Universal Serial Bus 3.0 specification Revision 1.0
    • Compliant with Intel's eXtensible Host Controller Interface (xHCI) specification Revision 1.0
  • Eight USB 3.1 Gen 1 Cable Ports (Type-C Receptacle, USB IF TID 5200000033)
    • Supports Type-C Current Mode (1.5A@5V)
  • Provides USB 3.1 Gen 1 Type-C cable port lock mechanism

Introduction

The U3X8-PCIE8XE104 is Octad channel 8-port (1-port x 8) USB 3.0 to PCI Express x8 Gen 2 Host Adapter.

U3X8-PCIE8XE104 is designed with Two key components.

  • 16-Lane, 16-Port PCI Express Switch.
  • PCI Express to USB 3.0 Single Chip Host Controller (Renesas uPD720202; USB IF TID 380000043).

Utilizing the standard PCI Express Switch, the 16-Lane/16-Port PCI Express Switch provides the most efficient fan-out solution for integrating Sixteen PCI Express to USB 3.0 Single Chip Host controllers into a small board design. Each USB 3.0 to PCI Express Single Chip Host controller takes advantages of 5 Gbps burst rate of 8-lane PCI Express bus in both directions and is fully compliant with PCI Express Base specification r2.0. This solution provides full PCI Express and USB 3.0 functionality and performance.

Technical Specifications

PCI Express
  • Standards Compliant
    • PCI Express Base Specification r2.0 (Backwards compatible with PCIe r1.0a/1.1)
    • PCI Power Management Spec r1.2
    • Microsoft Vista Compliant
    • Supports Access Control Services
    • Dynamic link-width control
    • Dynamic SerDes Speed Control
  • High Performance
    • Non-blocking internal architecture
    • Full line rate on all ports
    • Cut-Thru latency: 160ns for Link widths of x4 to x1
    • Maximum Payload Size - 2,048 bytes
    • Read Pacing (intelligent bandwidth allocation)
    • Dual Cast
    • Dynamic Buffer Pool Architecture for faster credit updates
  • PCI Express Power Management
    • Link power management states: L0, L0s, L1
    • Device power management states: D0 and D3hot
    • Active State Power Management (ASPM)
  • Quality of Service (QoS)
    • Two Virtual Channels (VC) per port
    • Eight Traffic Classes per port
    • Weighted Round-Robin Port & VC Arbitration
USB Features
  • Compliant with USB 3.0 Specification Revision 1.0
  • Compliant with Intel’s eXtensible Host Controller Interface (xHCI) specification Revision 1.0
  • Supports UASP (USB Attached SCSI Protocol)
  • Each USB port supporting SS/HS/FS/LS data rates (5Gbps/480Mbps/12Mbps/1.5Mbps)
USB Data Transfer Rate
  • Low-speed (1.5 Mbps)
  • Full-speed (12.0 Mbps)
  • High-speed (480.0 Mbps)
  • Super-speed (5.0 Gbps)
USB Ports
  • Eight independent USB 3.1 Gen 1 Cable Ports
    (Type-C Receptacle)
  • Provides USB 3.1 Gen 1 Type-C cable port lock mechanism
  • USB VBUS: USB Type-C Current Mode (1.5A@5V)
VBUS Power Switch 2.0A (70mΩ on-resistance) Single Channel Current-Limited Power Switch (UL File Number E322375)

USB Bus Power Input

12V Step-Down to 5V from the following source

  • PCIe 12V (1.3MHz fixed frequency PWM synchronous step-down regulator) 
  •  Power Connector 12V (IDE 4-pin or SATA 15-pin)