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TUSB2E221 Scheda tecnica(PDF) 8 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) 8 Page - Texas Instruments

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Table 5-3. USB2 PHY Configuration (continued)
EQ0
EQ1
EQ2
USB2 PHY
Compensation
Level
eUSB0/1 channel
USB ESR(1)
(Ω)
High
High
High
Level 7
5 inches FR4
USB A: 2.5
USB B: 17.5
(1)
Equivalent series resistance (ESR) is the combination of any resistance between the device and the USB connector such as switches,
multipliexers, just to name a few.
Table 5-4. USB2 PHY Compensation Levels
USB2 PHY Compensation Levels
Register
Level 0
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
E_EQ_Px
Register
Default
Register
Default
Register
Default
Register
Default
Register
Default
Register
Default
Register
Default
Register
Default
E_HS_TX_AMPLIT
UDE_Px
Register
Default
Register
Default
Register
Default
Register
Default
Register
Default
Register
Default
Register
Default
Register
Default
E_HS_TX_PRE_EM
PHASIS_Px
Register
Default
Register
Default
Register
Default
Register
Default
Register
Default
Register
Default
Register
Default
Register
Default
U_EQ_Px
USB A: 0x0
USB B: 0x0
USB A: 0x2
USB B: 0x2
USB A: 0x5
USB B: 0x5
USB A: 0x5
USB B: 0x2
USB A: 0x2
USB B: 0x0
USB A: 0x0
USB B: 0x2
USB A: 0x0
USB B: 0x5
USB A: 0x5
USB B: 0x0
U_SQUELCH_THR
ESHOLD_Px
USB A: 0x4
USB B: 0x4
USB A: 0x5
USB B: 0x5
USB A: 0x6
USB B: 0x6
USB A: 0x6
USB B: 0x5
USB A: 0x5
USB B: 0x4
USB A: 0x4
USB B: 0x5
USB A: 0x4
USB B: 0x6
USB A: 0x6
USB B: 0x4
U_DISCONNECT_T
HRESHOLD_Px
USB A: 0x5
USB B: 0x5
USB A: 0x8
USB B: 0x8
USB A: 0x8
USB B: 0x8
USB A: 0x8
USB B: 0x8
USB A: 0x8
USB B: 0x5
USB A: 0x5
USB B: 0x8
USB A: 0x5
USB B: 0x8
USB A: 0x8
USB B: 0x5
U_HS_TX_AMPLIT
UDE_Px
USB A: 0x5
USB B: 0x5
USB A: 0x9
USB B: 0x9
USB A: 0xD
USB B: 0xD
USB A: 0xD
USB B: 0x9
USB A: 0x9
USB B: 0x5
USB A: 0x5
USB B: 0x9
USB A: 0x5
USB B: 0xD
USB A: 0xD
USB B: 0x5
U_HS_TX_PRE_EM
PHASIS_Px
USB A: 0x0
USB B: 0x0
USB A: 0x1
USB B: 0x1
USB A: 0x3
USB B: 0x3
USB A: 0x3
USB B: 0x1
USB A: 0x1
USB B: 0x0
USB A: 0x0
USB B: 0x1
USB A: 0x0
USB B: 0x3
USB A: 0x3
USB B: 0x0
Table 5-5. eUSB PHY Configuration
EQ0
EQ1
EQ2
eUSB PHY
Compensation
Level
eUSB0
ESR(1)
(Ω)
eUSB1 ESR
(1)
(Ω)
USBA (DPA/DNA)
ESR (1)
(Ω)
USBB (DPB/DNB)
ESR (1)
(Ω)
Low/Float
Low/Float
Low/Float
Level 0
2.5
2.5
2.5
2.5
High
Low/Float
Low/Float
Level 1
7.5
7.5
2.5
2.5
Low/Float
High
Low/Float
Level 2
15
15
2.5
2.5
High
High
Low/Float
Level 3
25
25
2.5
2.5
(1)
Equivalent series resistance (ESR) is the combination of any resistance between the device and the USB connector or between device
and the SOC such as switches, multipliexers, just to name a few.
Table 5-6. eUSB PHY Compensation Levels
eUSB PHY Compensation Levels
Register
Level 0
Level 1
Level 2
Level 3
E_EQ_Px
0x1
0x3
0x7
0x10
E_HS_TX_AMPLITUDE_Px
0x3
0x3
0x5
0x7
E_HS_TX_PRE_EMPHASIS_Px
0x1
0x2
0x4
0x6
U_EQ_Px
Register Default
Register Default
Register Default
Register Default
U_SQUELCH_THRESHOLD_Px
Register Default
Register Default
Register Default
Register Default
U_DISCONNECT_THRESHOLD_Px
Register Default
Register Default
Register Default
Register Default
U_HS_TX_AMPLITUDE_Px
Register Default
Register Default
Register Default
Register Default
U_HS_TX_PRE_EMPHASIS_Px
Register Default
Register Default
Register Default
Register Default
TUSB2E221
SNLS757B – JUNE 2024 – REVISED NOVEMBER 2024
www.ti.com
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Copyright © 2024 Texas Instruments Incorporated
Product Folder Links: TUSB2E221



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