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TUSB8044RGCT Datasheet(PDF) 22 Page - Texas Instruments

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Part # TUSB8044RGCT
Description  Four-Port USB 3.1 Gen1 Hub with USB Billboard
PDF  61 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TUSB8044RGCT Datasheet(HTML) 22 Page - Texas Instruments

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TUSB8044
SLLSEW5 – APRIL 2017
www.ti.com
Product Folder Links: TUSB8044
Submit Documentation Feedback
Copyright © 2017, Texas Instruments Incorporated
Device Functional Modes (continued)
Table 6. TUSB8044 Downstream Port Configuration Examples
USED[3:0]
RMBL[3:0]
USB2_ONLY
[3:0]
Reported Port Configuration
Physical to Logical Port mapping
1111
1111
0000
4 Port USB3.1 Hub
6 Port USB2.0 Hub
Port 5 is permanently attached HID
Port 6 is permanently attached Billboard
Physical1 => Logical Port1 for USB3.1 and USB2.0.
Physical2 => Logical Port2 for USB3.1 and USB2.0.
Physical3 => Logical Port3 for USB3.1 and USB2.0.
Physical4 => Logical Port4 for USB3.1 and USB2.0.
Physical5 => Logical Port5 for USB2.0.
Physical6 => Logical Port6 for USB2.0.
1110
1111
0000
3 Port USB3.1 Hub
5 Port USB2.0 Hub
Port 4 is permanently attached HID
Port 5 is permanently attached Billboard.
Physical1 Not used.
Physical2 => Logical Port1 for USB3.1 and USB2.0.
Physical3 => Logical Port2 for USB3.1 and USB2.0.
Physical4 => Logical Port3 for USB3.1 and USB2.0.
Physical5 => Logical Port4 for USB 2.0.
Physical6 => Logical Port5 for USB2.0.
1100
0111
0000
2 Port USB 3.1 Hub
4 Port USB2.0 hub with permanently attached
device on Port 2
Port 3 is a permanently attached HID
Port 4 is a permanently attached Billboard
Physical1 Not used.
Physical2 Not used.
Physical3 => Logical Port1 for USB3.1 and USB2.0.
Physical4 => Logical Port2 for USB3.1 and USB2.0.
Physical5 => Logical Port3 for USB2.0.
Physical6 => Logical Port4 for USB2.0.
0011
1111
0010
1 Port USB 3.1 Hub
4 Port USB 2.0 Hub
Port 3 is a permanently attached HID
Port 4 is a permanently attached Billboard
Physical1 => Logical Port1 for USB3.1 and USB2.0.
Physical2 => Logical Port2 for USB2.0.
Physical3 Not Used.
Physical4 Not used.
Physical5 => Logical Port3 for USB2.0.
Physical6 => Logical Port4 for USB2.0.
1000
1111
0010
1 Port USB 3.1 Hub
4 Port USB 2.0 Hub
Port 3 is a permanently attached HID
Port 4 is a permanently attached Billboard
Physical1 Not used.
Physical2 => Logical Port2 for USB2.0.
Physical3 Not used
Physical4 => Logical Port1 for USB3.1 and USB2.0.
Physical5 => Logical Port3 for USB2.0.
Physical6 => Logical Port4 for USB2.0.
1111
1111
1110
1 Port USB 3.1 Hub
6 Port USB 2.0 Hub
Port 5 is a permanently attached HID
Port 6 is a permanently attached Billboard
Physical1 => Logical Port1 for USB3.1 and USB2.0.
Physical2 => Logical Port2 for USB2.0.
Physical3 => Logical Port3 for USB2.0.
Physical4 => Logical Port4 for USB2.0.
Physical5 => Logical Port5 for USB2.0.
Physical6 => Logical Port6 for USB2.0.
1010
N/A
0x0x
Invalid combination when USB2_ONLY =
0000, 0001, 0100, or 0101. If invalid
combination is used, then physical port 4 will
not operate at USB3.1 Gen 1 speeds.
1011
N/A
0x01
Invalid combination when USB2_ONLY =
0001 or 0101. If invalid combination is used,
then physical port 4 will not operate at USB3.1
Gen 1 speeds.
1110
N/A
010x
Invalid combination when USB2_ONLY =
0100 or 0101. If invalid combination is used,
then physical port 4 will not operate at USB3.1
Gen 1 speeds.



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