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TUSB8042AI Folha de dados(PDF) 15 Page - Texas Instruments

Nome de Peças TUSB8042AI
Descrição Electrónicos  TUSB8042A Four-Port USB 3.2 x1 Gen1 Hub
PDF  64 Pages
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Fabricante Electrônico  TI2 [Texas Instruments]
Página de início  https://www.ti.com
Logo TI2 - Texas Instruments

TUSB8042AI Folha de dados(HTML) 15 Page - Texas Instruments

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7 Detailed Description
7.1 Overview
The TUSB8042A is a four-port USB 3.2 x1 Gen1-compliant hub. The device provides simultaneous SuperSpeed
USB, high-speed, or full-speed connections on the upstream port. The device also provides SuperSpeed
USB, high-speed, full-speed, or low-speed connections on the downstream port. When the upstream port is
connected to an electrical environment that only supports high-speed, full-speed, or low-speed connections,
SuperSpeed USB connectivity is disabled on the downstream ports. When the upstream port is connected to an
electrical environment that only supports full-speed or low-speed connections, SuperSpeed USB and high-speed
connectivity are disabled on the downstream ports.
7.2 Functional Block Diagram
VBUS
Detect
SuperSpeed Hub
USB 2.0 Hub
Oscilator
XI
XO
Clock
and
Reset
Distribution
Control
Registers
GPIO
I2C
SMBUS
Power
Distribution
VDD33
VSS
GRSTz
SCL/SMBCLK
SDA/SMBDAT
SMBUSz/SS_SUSPEND
PWRCTL1/BATEN1
OVERCUR1z
PWRCTL2/BATEN2
OVERCUR2z
PWRCTL_POL
GANGED/SMBA2/HS_UP
FULLPWRMGMTz/SMBA1/SS_UP
VDD
TEST
OTP
ROM
PWRCTL3/BATEN3
OVERCUR3z
PWRCTL4/BATEN4
OVERCUR4z
AUTOENz/HS_SUSPEND
www.ti.com
TUSB8042A
SLLSF93A – JUNE 2019 – REVISED JANUARY 2025
Copyright © 2025 Texas Instruments Incorporated
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