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TUSB1146 데이터시트(PDF) 43 Page - Texas Instruments

부품명 TUSB1146
상세설명  TUSB1146 USB Type-C™ DisplayPort™ Alt Mode 10-Gbps Linear Redriver Crosspoint Switch
PDF  68 Pages
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제조업체  TI2 [Texas Instruments]
홈페이지  https://www.ti.com
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TUSB1146 데이터시트(HTML) 43 Page - Texas Instruments

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TUSB1146
www.ti.com
SLLSFB2 – APRIL 2020
Product Folder Links: TUSB1146
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Copyright © 2020, Texas Instruments Incorporated
Table 20. AEQ_CONTROL2 Register Field Descriptions
Bit
Field
Type
Reset
Description
7
OVER_EQ_SIGN
R/W
0x0
Selects the sign for OVER_EQ_CTRL field.
0x0 = positive
0x1 = negative
6
RESERVED
R
0x0
Reserved
5-3
FASTAEQ_LIMITS
R/W
0x4
Selects the upper/lower limits of DAC for determining short vs long
channel.
0x0 = +/- 0mV
0x1 = +/- 40mV
0x2 = +/- 80mV
0x3 = +/- 120mV
0x4 = +/- 160mV
0x5 = +/- 200mV
0x6 = +/- 240mV
0x7 = +/- 280mV
2-0
OVER_EQ_CTRL
R/W
0x0
This field will increase or decrease the AEQ by value programmed
into this field. For example, full AEQ value is 6 and this field is
programmed to 2 and OVER_EQ_SIGN = 0, then EQ value used will
be 8. This field is only used in Full AEQ mode.
0x0 = 0 or -8
0x1 = 1 or -7
0x2 = 2 or -6
0x3 = 3 or -5
0x4 = 4 or -4
0x5 = 5 or -3
0x6 = 6 or -2
0x7 = 7 or -1
8.6.1.9 AEQ_LONG Register (Offset = 0x1E) [reset = 0x77]
AEQ_LONG is shown in Table 21.
Return to the Summary Table.
This register is used to program the EQ used for long channel setting when Fast AEQ is enabled.
Table 21. AEQ_LONG Register Field Descriptions
Bit
Field
Type
Reset
Description
7-4
LONG_EQ2
R/W
0x7
When AEQ_EN = 1 and AEQ_MODE = x0, selects EQ setting for
USB downstream facing port1 (RX2) when long channel is detected.
Value programmed into this field should provide best Rx JTOL
results for long channel configuration.
3-0
LONG_EQ1
R/W
0x7
When AEQ_EN = 1 and AEQ_MODE = x0, selects EQ setting for
USB downstream facing port2 (RX1) when long channel is detected.
Value programmed into this field should provide best Rx JTOL
results for long channel configuration.
8.6.1.10 USBC_EQ Register (Offset = 0x20) [reset = 0x0]
USBC_EQ is shown in Table 22.
Return to the Summary Table.
This register controls the receiver equalization setting for the DFP (RX1 and RX2).



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