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TUSB564 データシート(PDF) 42 Page - Texas Instruments

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部品番号 TUSB564
部品情報  TUSB564-Q1 Automotive USB Type-C® DP Alt Mode 8.1Gbps Sink-Side Linear Redriver Crosspoint Switch
PDF  52 Pages
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メーカー  TI [Texas Instruments]
ホームページ  http://www.ti.com
Logo TI - Texas Instruments

TUSB564 データシート(HTML) 42 Page - Texas Instruments

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9.3 DisplayPort Control/Status Registers (address = 0x11) [reset = 00000000]
Figure 9-3. DisplayPort Control/Status Registers (0x11)
7
6
5
4
3
2
1
0
DP0EQ_SEL
DP2EQ_SEL
R/W/U
R/W/U
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 9-4. DisplayPort Control/Status Registers (0x11)
Bit
Field
Type
Reset
Description
7:4
DP0EQ_SEL
R/W/U
0000
Field selects EQ level for DP lane 0. When EQ_OVERRIDE =
1’b0, this field reflects the sampled state of DPEQ[1:0] pins.
When EQ_OVERRIDE = 1’b1, software can change the EQ
setting for DP lane 0 based on value written to this field.
3:0
DP2EQ_SEL
R/W/U
0000
Field selects EQ level for DP lane 2. When EQ_OVERRIDE =
1’b0, this field reflects the sampled state of DPEQ[1:0] pins.
When EQ_OVERRIDE = 1’b1, software can change the EQ
setting for DP lane 2 based on value written to this field.
9.4 DisplayPort Control/Status Registers (address = 0x12) [reset = 00000000]
Figure 9-4. DisplayPort Control/Status Registers (0x12)
7
6
5
4
3
2
1
0
Reserved
SET_POWER_STATE
LANE_COUNT_SET
R
RU
RU
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 9-5. DisplayPort Control/Status Registers (0x12)
Bit
Field
Type
Reset
Description
7
Reserved
R
0
Reserved
6:5
SET_POWER_STATE
R/U
00
This field represents the snooped value of the AUX write
to DPCD address 0x00600. When AUX_SNOOP_DISABLE
= 1’b0, the TUSB564-Q1 enables or disables the DP lanes
based on the snooped value. When AUX_SNOOP_DISABLE =
1’b1, then DP lane enable/disable are determined by state of
DPx_DISABLE registers, where x = 0, 1, 2, or 3. This field is
reset to 2’b00 by hardware when CTLSEL1 changes from a 1’b1
to a 1’b0.
4:0
LANE_COUNT_SET
R/U
00000
This field represents the snooped value of AUX write to DPCD
address 0x00101 register. When AUX_SNOOP_DISABLE =
1’b0, the TUSB564-Q1 enables DP lanes specified by the snoop
value. Unused DP lanes are disabled to save power. When
AUX_SNOOP_DISABLE = 1’b1, then DP lanes enable/disable
are determined by DPx_DISABLE registers, where x = 0, 1, 2,
or 3. This field is reset to 0x0 by hardware when CTLSEL1
changes from a 1’b1 to a 1’b0.
TUSB564-Q1
SLLSFO9A – MAY 2024 – REVISED SEPTEMBER 2024
www.ti.com
42
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Copyright © 2024 Texas Instruments Incorporated
Product Folder Links: TUSB564-Q1



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