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TUSB7340 数据表(PDF) 83 Page - Texas Instruments |
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TUSB7340 数据表(HTML) 83 Page - Texas Instruments |
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83 / 122 page ![]() 8.2.10 Header Log Register The Header Log Register stores the TLP header for the packet that lead to the most recently detected error condition. Offset 11Ch contains the first DWORD. Offset 128h contains the last DWORD (in the case of a 4DW TLP header. Each DWORD is stored with the least significant byte representing the earliest transmitted. PCI Express Extended Register Offset: 11Ch, 120h, 124h, 128h Register type: Read-Only Default value: 0000 0000h Table 8-122. PCI Express Extended Register 11Ch, 120, 124h, and 128h Bit No. 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 Reset State 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Bit No. 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Reset State 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8.2.11 Device Serial Number Capability ID Register This read-only register identifies the linked list item as the Device Serial Number Capability. This register returns 0003h when read. PCI Express Extended Register Offset: 150h Register type: Read-Only Default value: 0003h Table 8-123. Device Serial Number Capability ID Register Bit No. 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Reset State 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 8.2.12 Next Capability Offset/Capability Version Register This read-only register identifies the next location in the PCI Express Extended Capabilities link list. The upper 12 bits in this register are 000h, indicating that the Device Serial Number Capability is the last capability in the list. The least significant four bits identify the revision of the current capability block as 1h. PCI Express Extended Register Offset: 152h Register type: Read-Only Default value: 0001h Table 8-124. Next Capability Offset/Capability Version Register Bit No. 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Reset State 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 www.ti.com TUSB7320, TUSB7340 SLLSE76Q – MARCH 2011 – REVISED MARCH 2024 Copyright © 2024 Texas Instruments Incorporated Submit Document Feedback 83 Product Folder Links: TUSB7320 TUSB7340 |
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