xiQ - Technical Manual Version 1.0
55
3.14.
U3PE-D720202-X4
Quad Channel 4-port USB 3.0 to PCI Express x4 Gen 2 Host Card, 8-Lane, 8-Port PCI Express Switch
figure 3-53, picture U3PE-D720202-X4
Technical Specifications
Controller
PCI Express to USB 3.0 Single Chip Host Controller Renesas uPD720202
Primary PCI Express
Standards compliant
•
PCI Express Base Specification r2.0 (Backwards compatible with PCIe r1.0a/1.1)
•
PCI Power Management Spec r1.2
•
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: 130ns
•
2KB max payload size
PCI Express Power Management
•
Link power management states: L0, L0s, L1, L2/L3 Ready, and L3
•
Device states: D0 and D3hot
Quality of Service (QoS) support
•
Two Virtual Channels (VC) per Port
•
Eight Traffic Classes per Port
•
Weighted Round-Robin Port & VC Arbitration
Secondary PCI Express Four Single (x1) PCI Express Lane
Compliant with PCI Express Base Specification Revision 2.0
Supports PCI Express Card Electromechanical Specification Revision 2.0
Supports PCI Bus Power Management Interface Specification Revision 1.2
USB Features
Compliant with USB 3.0 Specification Revision 1.0
Compliant with Extensible Host Controller Interface (xHCI) Specification revision 1.0
4 downstream USB ports support SS/HS/FS/LS data rates (5Gbps/480Mbps/12Mbps/1.5Mbps)
table 3-39, technical specification, U3PE-D720202-X4