General Description

The SMSC USB2412 hub is a low-power, single transaction translator (STT) hub controller IC with two downstream ports for embedded USB applications. The SMSC hub controller supports low-speed, full-speed, and hi-speed (if operating as a hi-speed hub) downstream devices on all of the enabled downstream ports.

特性 Features

■ Fully integrated USB termination and pull-up/pulldown resistors

■ Supports a single external 3.3 V supply source; internal regulators provide 1.2 V internal core voltage

■ On-chip 24 MHz crystal driver or external 24 MHz clock input

■ ESD protection up to 4 kilovolts on all USB pins

■ Supports self-powered operation

■ Contains a built-in default configuration; no external configuration options or components are required

■ Downstream ports as optional non-removable ports

■ Supports compound devices on a port-by-port basis

■ 28-pin QFN (5 x 5 mm) lead-free RoHS compliant package

■ Supports the commercial temperature range: 0oC to +70oC

Applications

■ Automobile/home audio systems

■ Cable/DSL modems

■ Embedded systems

■ Gaming consoles

■ HDD enclosures

■ IP telephony

■ KVM switches

■ LCD monitors and TVs

■ Multi-function USB peripherals

■ Mobile PC docking

■ PC motherboards

■ PC media drive bay

■ Portable hub boxes

■ Point-of-Sale (POS) systems

■ Printers and scanners

■ Server front panels

■ Set-top boxes, DVD players, DVR/PVR

■ Thin client terminals