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TUSB7320 Datasheet(PDF) 96 Page - Texas Instruments |
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TUSB7320 Datasheet(HTML) 96 Page - Texas Instruments |
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96 / 115 page  TUSB7320, TUSB7340 SLLSE76J – MARCH 2011 – REVISED MAY 2012 www.ti.com Table 6-67. xHCI Extended Capabilities Register (xHCI Extended Capabilities Base + 28h) Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 No. Reset 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 State Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 No. Reset 0 0 0 0 0 x x 0 0 0 0 0 0 x x 1 State Table 6-68. xHCI Supported Protocol Capability Register (USB 3.0) Description Bit Field Name Access Description 31:19 RSVD r Reserved. Returns zeros when read. Integrated Hub Implemented. This field is ‘0’ to indicate that the root hub 18 IHI r to external port mapping adheres to the default mapping in the xHCI Specification. 17 HSO r High-speed Only. This field is not applicable to USB 3.0 and is ‘0’. 16 L1C r L1 Capability. This field is not applicable to USB 3.0 and is ‘0’. Compatible Port Count. For the TUSB7340 , this field is 04h to indicate 15:8 COMPATIBLE_PORT_CNT r that four USB 3.0 ports are supported. For the TUSB7320, this field is 02h to indicate that two USB 3.0 ports are supported. Compatible Port Offset. For the TUSB7340 , this field is 05h to indicate 7:0 COMPATIBLE_PORT_OFF r that the first USB 3.0 port is port 5. For the TUSB7320, this field is 03h to indicate that the first USB 3.0 port is port 3. 96 xHCI MEMORY MAPPED REGISTER SPACE Copyright © 2011–2012, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Link(s): TUSB7320 TUSB7340 |
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