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Products > Interface > USB > Product Lineup > USB2.0 Hub Controller >

µPD720112


Low Power 4port Hub

µPD720112


µPD720112 is USB Hub Controller Device which comply with the USB Specification Revision 2.0(Now in certificating) and work up to 480Mbps. The controller has shrunk its power consumption than µPD720110A, and supports both Bus-Powered and Self-Powered mode. The Controller supports the new Split-Transaction that graduals the bus-traffic occupation on USB when many Classic devices and HS devices on the downstream ports. Hub controller provides 1 upstream port and 4 downstream ports, and all ports are auto-sensing and can support any combination of High-Speed or Classical Speed. µPD720112 can be easy configurable for hub features with descriptors of hub and VendorID, ProductID, and string descriptors with Serial ROM from upstream.



Features

  • USB2.0 Certified by USB Implements Forum (Test ID=30000146)
  • Maximum 4 downstream ports (configurable with Serial ROM)
  • One "Transaction Translator" for new "Split-transaction" compliant with USB2.0 specification
  • Support Self-Powered and Bus-Powered
  • Auto-sensing upstream ports and can support both High-Speed Hub or Full-Speed Hub
  • Configurable for VendorID, ProductID and string descriptors with Serial ROM
  • Configurable for non-detachable attributes, power control and overcurrent protection, etc. with Serial ROM
  • Support port status indicators
  • Low power consumption
  • Certified WHQL Logo for Windows XP & Windows 2000 (Submission ID=685764)
  • Package 80pin TQFP (12 x 12mm, 0.5mm Fine Pitch )


Specification

  • USB Specification Version 2.0 Compliant Hub Controller (Maximum data transferring rate: 480 Mbps)
  • 30MHz Crystal Input
  • 2.5 and 3.3V power supply

Application

  • USB Hub BOX
  • PC Display Monitor
  • PC Docking Station
  • USB Port Replicator
  • USB Enhanced Hub Device

Device Part Number

Order name Package
µPD720112GK-9EU 80pinTQFP (12 x 12 mm )
µPD720112GK-9EU-A 80pinTQFP (12 x 12 mm ) Lead(Pb)-Free


Evaluation Board for Reference Design

Evaluation boards are shown below for µPD720112 reference design. Each board operates as USB 2.0 Hub for PC when attached to a USB 2.0 Host. (The boards work in Full-speed mode when attached to a USB 1.x Host.)


ET-0159 (4port Hub)
ET-0159 (4port Hub)
ET-0168 (2port Hub)
ET-0168 (2port Hub)

Order name Information
ET-0159 *Available to purchase but limited stocks. Please contact us before ordering.
*Please note that some parts of the evaluation board might include lead(Pb) materials.
Not available shipping to EU Area because of RoHS unconfirmed.
ET-0168


Block Diagram

Block Diagram