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TUSB2E221 Scheda tecnica(PDF) 45 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) 45 Page - Texas Instruments

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Table 9-20. E_HS_TX_PRE_EMPHASIS_P1 Register Field Descriptions (continued)
Bit
Field
Type
Reset
Default
from OTP
(Y/N)
Description
4-3
E_HS_TX_PE_WIDTH_
P1
RH/W
0h
Y
E_TXPE_UI adjustment
eUSB2 HS TX Pre-emphasis Width
Default through OTP
0h = 0.35 UI (typical) (hw default)
1h = 0.45 UI (typical)
2h = 0.55 UI (typical)
3h = 0.65 UI (typical)
2
RESERVED
RH/W
0h
Reserved
1
RESERVED
RH/W
0h
Reserved
0
RESERVED
RH/W
0h
Reserved
0
RESERVED
RH/W
0h
Reserved
9.1.19 E_TX_ADJUST_PORT1 Register (Offset = 78h) [Reset = 0Ch]
E_TX_ADJUST_PORT1 is shown in Table 9-21.
Return to the Summary Table.
Hardware default value can be overridden through factory programmable OTP for this register.
Table 9-21. E_TX_ADJUST_PORT1 Register Field Descriptions
Bit
Field
Type
Reset
Default
from OTP
(Y/N)
Description
7-6
RESERVED
RH/W
0h
Reserved
5
RESERVED
RH/W
0h
Reserved
4-3
E_HS_TX_SLEW_RAT
E_P1
RH/W
1h
Y
TEHSRF Adjustment
eUSB2 HS TX Slew Rate 390ps - 540ps
Default through OTP
0h = 390ps (typical)
1h = 440ps (typical) (hw default)
2h = 490ps (typical)
3h = 540ps (typical)
2-0
E_HS_TX_AMPLITUDE
_P1
RH/W
4h
Y
VEHSOD Adjustment
eUSB2 HS TX Amplitude 360mV to 500mV (p-2-p)
Default through OTP
0h = 360mV (typical)
1h = 380mV (typical)
2h = 400mV (typical)
3h = 420mV (typical) (hw default)
4h = 440mV (typical)
5h = 460mV (typical)
6h = 480mV (typical)
7h = 500mV (typical)
9.1.20 E_RX_ADJUST_PORT1 Register (Offset = 79h) [Reset = 62h]
E_RX_ADJUST_PORT1 is shown in Table 9-22.
Return to the Summary Table.
Hardware default value can be overridden through factory programmable OTP for this register.
www.ti.com
TUSB2E221
SNLS757B – JUNE 2024 – REVISED NOVEMBER 2024
Copyright © 2024 Texas Instruments Incorporated
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