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TUSB8042AI Datasheet(PDF) 30 Page - Texas Instruments

Part # TUSB8042AI
Description  TUSB8042A Four-Port USB 3.2 x1 Gen1 Hub
PDF  64 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TUSB8042AI Datasheet(HTML) 30 Page - Texas Instruments

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8.10 Port Used Configuration Register
Figure 8-9. Register Offset 8h
Bit No.
7
6
5
4
3
2
1
0
Reset State
0
0
0
0
1
1
1
1
Table 8-10. Bit Descriptions – Port Used Configuration Register
Bit
Field
Type
Description
7:4
RSVD
RO
Reserved. Read only.
3:0
used[3:0]
RO/RW
Used. The bits in this field indicate whether a port is enabled.
0 = The port is not used or disabled
1 = The port is used or enabled
Each bit corresponds directly to a downstream port, that is used0
corresponds to downstream port 1, used1 corresponds to downstream
port 2, and so forth. This field is read only unless the customRmbl bit is
set to 1. When the corresponding USB2_ONLY bit is set, the USB2 port
is used and enabled regardless of the bit programmed into this field.
TUSB8042A
SLLSF93A – JUNE 2019 – REVISED JANUARY 2025
www.ti.com
30
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Product Folder Links: TUSB8042A



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