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TUSB7340 数据表(PDF) 48 Page - Texas Instruments |
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TUSB7340 数据表(HTML) 48 Page - Texas Instruments |
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48 / 122 page ![]() Table 8-34. Power Management Control/Status Register Description (continued) BIT FIELD NAME ACCESS DESCRIPTION 3 NO_SOFT_RESET r No Soft Reset. This bit returns 1 indicating that no internal reset is generated and the device retains its configuration context when transitioning from the D3hot state to the D0 state. 2 RSVD r Reserved. Returns zero when read. 1:0 PWR_STATE rw Power State. This 2-bit field is used both to determine the current power state of the function and to set the function into a new power state. This field is encoded as follows:00 = D001 = D110 = D211 = D3hot. 8.1.26 Power Management Bridge Support Extension Register This read-only register is not applicable to the TUSB73X0 and returns 00h when read. PCI register offset: 46h Register type: Read-only Default value: 00h Table 8-35. PCI Register 46h Bit No. 7 6 5 4 3 2 1 0 Reset State 0 0 0 0 0 0 0 0 8.1.27 Power Management Data Register This read-only register is not applicable to the TUSB73X0 and returns 00h when read. PCI register offset: 47h Register type: Read-only Default value: 00h Table 8-36. PCI Register 47h Bit No. 7 6 5 4 3 2 1 0 Reset State 0 0 0 0 0 0 0 0 8.1.28 MSI Capability ID Register This read-only register identifies the linked list item as the register for Message Signaled Interrupts Capabilities. The register returns 05h when read. PCI register offset: 48h Register type: Read-only Default value: 05h Table 8-37. PCI Register 48h Bit No. 7 6 5 4 3 2 1 0 Reset State 0 0 0 0 0 1 0 1 TUSB7320, TUSB7340 SLLSE76Q – MARCH 2011 – REVISED MARCH 2024 www.ti.com 48 Submit Document Feedback Copyright © 2024 Texas Instruments Incorporated Product Folder Links: TUSB7320 TUSB7340 |
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