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TUSB8043 Datasheet(PDF) 21 Page - Texas Instruments |
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TUSB8043 Datasheet(HTML) 21 Page - Texas Instruments |
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21 / 59 page  21 TUSB8043 www.ti.com SLLSEW4 – JUNE 2017 Product Folder Links: TUSB8043 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated Device Functional Modes (continued) Table 5. TUSB8043 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 5 Port USB2.0 Hub Port 5 is permanently attached HID 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. 1110 1111 0000 3 Port USB3.1 Hub 4 Port USB2.0 Hub Port 4 is permanently attached HID 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. 1100 0111 0000 2 Port USB 3.1 Hub 3 Port USB2.0 hub with permanently attached device on Port 2 Port 3 is a permanently attached HID 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. 0011 1111 0010 1 Port USB 3.1 Hub 3 Port USB 2.0 Hub Port 3 is a permanently attached HID 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. 1000 1111 0010 1 Port USB 3.1 Hub 3 Port USB 2.0 Hub Port 3 is a permanently attached HID 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. 1111 1111 1110 1 Port USB 3.1 Hub 5 Port USB 2.0 Hub Port 5 is a permanently attached HID 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. 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. 1111 N/A 0101 Invalid combination when USB2_ONLY = 0101. If invalid combination is used, then physical port 4 will not operate at USB3.1 Gen 1 speeds. |
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