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TUSB7340 数据表(PDF) 91 Page - Texas Instruments |
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TUSB7340 数据表(HTML) 91 Page - Texas Instruments |
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91 / 117 page ![]() TUSB7320, TUSB7340 www.ti.com SLLSE76M – MARCH 2011 – REVISED JULY 2015 7.5.3.6.6 xHCI Supported Protocol Capability Register (USB 3.0) This register indicates that the Supported Protocol Capability is for USB 3.0. xHCI Extended Capabilities Base register offset:20h Register type: Read-Only Default value: 0300 0002h Table 194. xHCI Extended Capabilities Register (xHCI Extended Capabilities Base + 20h) 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 1 1 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 0 0 0 0 0 0 0 0 0 1 0 State Table 195. xHCI Supported Protocol Capability Register (USB 3.0) Description BIT FIELD NAME ACCESS DESCRIPTION Major Revision. This field is 03h, because this Supported Protocol 31:24 MAJOR_REV r Capability is for release 3.0 of the USB specification. Minor Revision. This field is 00h, because this Supported Protocol 23:16 MINOR_REV r Capability is for release 3.0 of the USB specification. Next Capability Pointer. This field is 00h, indicating that this is the last 15:8 NEXT_CAP r capability. Capability ID. This field is 02h, identifying this capability as a Supported 7:0 CAPABILITY_ID r Protocol Capability. 7.5.3.6.7 xHCI Supported Protocol Name String Register (USB 3.0) This read only register is set to 2042 5355h, indicating that the Supported Protocol Capability is for USB 3.0. xHCI Extended Capabilities Base register offset:24h Register type: Read-Only Default value: 2042 5355h Table 196. xHCI Extended Capabilities Register (xHCI Extended Capabilities Base + 24h) Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 No. Reset 0 0 1 0 0 0 0 0 0 1 0 0 0 0 1 0 State Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 No. Reset 0 1 0 1 0 0 1 1 0 1 0 1 0 1 0 1 State Copyright © 2011–2015, Texas Instruments Incorporated Submit Documentation Feedback 91 Product Folder Links: TUSB7320 TUSB7340 |
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