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TUSB2E221 Scheda tecnica(PDF) 7 Page - Texas Instruments

Il numero della parte TUSB2E221
Spiegazioni elettronici  TUSB2E221 USB 2.0-eUSB2 Dual Repeater
PDF  65 Pages
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Produttore elettronici  TI [Texas Instruments]
Homepage  http://www.ti.com
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TUSB2E221 Scheda tecnica(HTML) 7 Page - Texas Instruments

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Table 5-1. Pin Functions (continued)
PIN
I/O
RESET
STATE
ASSOCIATED
ESD SUPPLY
DESCRIPTION
NAME
VBW(1)
YCG
VDD1V8
11
B4
PWR
N/A
N/A
1.8V analog supply voltage
D4
VDD3V3
1
B2
PWR
N/A
N/A
3.3V supply voltage
15
D2
VIOSEL
3
C3
Digital Input
N/A
VDD3V3
VIOSEL is used to select digital I/O input voltage for GPIOs, CROSS and
I2C
VIOSEL = VSS sets device into 1.2V I/O mode
VIOSEL = VDD1V8 sets device into 1.8V I/O mode
VIOSEL pin is real time control and not only latched at powered on
reset. Be careful when this pin changes dynamically after power-on-reset
because the output voltage may change from 1.2V to 1.8V.
(1)
The VBW (WQFN) package is preview only.
Table 5-2. Device Mode Configuration
SCL
SDA
EQ0
EQ1
EQ2
eUSB0
eUSB1
I2C Interface
USBA and
USBB CDP
advertising in
host mode
Low/Float
Low/Float
USB2 PHY Configuration
USB repeater
USB repeater
Disabled
Disabled
Low/Float
High
USB2 PHY Configuration
USB repeater
USB repeater
Disabled
Enabled
High
Low/Float
eUSB PHY Configuration
High-Z
USB repeater
USB repeater
Disabled
Disabled
High
High
Low/Float
Low/Float
INT interrupt
output
USB repeater
USB repeater
Enabled
Per register
High
High
High
Low/Float
INT interrupt
output
Carkit UART
bypass
USB repeater
Enabled
Per register
High
High
Low/Float
High
INT interrupt
output
USB repeater
Carkit UART
bypass
Enabled
Per register
High
High
High
High
INT interrupt
output
Carkit UART
bypass
Carkit UART
bypass
Enabled
Per register
The eUSB phy configurations used Table 5-3 assumes the channel between the device and host is 5 inches
FR4.
Table 5-3. USB2 PHY Configuration
EQ0
EQ1
EQ2
USB2 PHY
Compensation
Level
eUSB0/1 channel
USB ESR(1)
(Ω)
Low/Float
Low/Float
Low/Float
Level 0
5 inches FR4
USB A: 2.5
USB B: 2.5
High
Low/Float
Low/Float
Level 1
5 inches FR4
USB A: 10
USB B: 10
Low/Float
High
Low/Float
Level 2
5 inches FR4
USB A: 17.5
USB B: 17.5
High
High
Low/Float
Level 3
5 inches FR4
USB A: 10
USB B: 17.5
Low/Float
Low/Float
High
Level 4
5 inches FR4
USB A: 2.5
USB B: 10
High
Low/Float
High
Level 5
5 inches FR4
USB A: 10
USB B: 2.5
Low/Float
High
High
Level 6
5 inches FR4
USB A: 17.5
USB B: 2.5
www.ti.com
TUSB2E221
SNLS757B – JUNE 2024 – REVISED NOVEMBER 2024
Copyright © 2024 Texas Instruments Incorporated
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