TUSB4041IPAP datasheet(11/44 Pages) TI1

11 / 44 page

VBUS

Detect

USB 2.0 Hub

Oscillator

Clock

and

Reset

Distribution

Control

Registers

GPIO

SMBUS

Power

Distribution

VDD33

VSS

GRSTz

SCL/SMBCLK

SDA/SMBDAT

SMBUSz

PWRCTL1/BATEN1

OVERCUR1z

PWRCTL2/BATEN2

OVERCUR2z

PWRCTL_POL

GANGED/SMBA2/HS_UP

FULLPWRMGMTz/SMBA1

VDD

TEST

OTP

ROM

PWRCTL3/BATEN3

OVERCUR3z

PWRCTL4/BATEN4

OVERCUR4z

AUTOENz/HS_SUSPEND

TUSB4041I

www.ti.com

SLLSEK3B – JULY 2015 – REVISED DECEMBER 2015

8 Detailed Description

8.1 Overview

The TUSB4041I device is a four-port USB 2.0 hub. The device provides USB high-speed and full-speed

connections on the upstream port and provides USB high-speed, full-speed, or low-speed connections on the

downstream ports. When the upstream port is connected to an electrical environment that only supports high-

speed connections. USB high-speed connectivity is enabled on the downstream ports. When the upstream port

is connected to an electrical environment that only supports full-speed and low-speed connections. USB high-

speed connectivity is disabled on the downstream ports.

8.2 Functional Block Diagram

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TUSB4041IPAP Datasheet(PDF) 11 Page - Texas Instruments

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