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TUSB7340 数据表(PDF) 66 Page - Texas Instruments |
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TUSB7340 数据表(HTML) 66 Page - Texas Instruments |
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66 / 122 page ![]() 8.1.58 MSI-X Table Offset and BIR Register This register indicates into which BAR and offset the MSI-X table is mapped. PCI register offset: C4h Register type: Read-Only Default value: 0000 0002h Table 8-87. PCI Register C4h 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 1 0 Table 8-88. MSI-X Table Offset and BIR Register Description BIT FIELD NAME ACCESS DESCRIPTION 31:3 TABLE_OFFSET r Table Offset. This field is set to 000h to indicate that the MSI-X Table is at an offset of 0000h from the beginning of the BAR at offset 18h. 2:0 TABLE_BIR r Table BIR. This field is set to 010b to indicate that the MSI-X table is mapped into the BAR at offset 18h. 8.1.59 MSI-X PBA Offset and BIR Register This register indicates into which BAR and offset the MSI-X PBA is mapped. PCI register offset: C8h Register type: Read-Only Default value: 0000 1000h Table 8-89. PCI Register C8h 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 1 0 0 0 0 0 0 0 0 0 0 0 0 Table 8-90. MSI-X PBA Offset and BIR Register Descriptions BIT FIELD NAME ACCESS DESCRIPTION 31:3 PBA_OFFSET r PBA Offset. This field is set to 200h to indicate that the MSI-X PBA is at an offset of 1000h from the beginning of the BAR at offset 18h. 2:0 PBA_BIR r PBA BIR. This field is set to 010b to indicate that the MSI-X PBA is mapped into the BAR at offset 18h. TUSB7320, TUSB7340 SLLSE76Q – MARCH 2011 – REVISED MARCH 2024 www.ti.com 66 Submit Document Feedback Copyright © 2024 Texas Instruments Incorporated Product Folder Links: TUSB7320 TUSB7340 |
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