REGIONAL SOLUTIONS

µPD720110A is the first on world wide USB2.0 Hub Controller Device that certified by USB Implementers Forum. It supports the new Split-Transaction that graduals the bus-traffic occupation on USB when many USB1.x devices on the same line. Hub controller provides one upstream port and four downstream ports, and all ports are auto-sensing and can support any combination of High-Speed or Classical Speed. And the controller has Serial ROM configuration for Vendor ID, Product ID.

Features

Maximum 4 downstream ports
One "Transaction Translater" for new "Split-
  transaction"compliant with USB specification
  version 2.0
Supports Self-Powered Hub
Auto-sensing upstream ports and can support both
  High-Speed Hub or Full-Speed Hub
Configurable with the I/O pin or Serial ROM for the   descriptors of hub
Supports string descriptors of hub with Mask ROM
Supports port status
  indicators and HS detection indicator
Package:
    100pin LQFP (14 x 14mm, 0.5mm Fine Pitch)
Driver:
   Windows 2000 & Windows XP: Microsoft® driver
   software support

Block Diagram

Document    (Please contact us via Enquiry Form)

    HUB 4 ports reference design

   USB 2.0 HUB.sch

   USB 2.0 HUB.pdf

   hub3-pa.pcb