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TUSB7320 Datasheet(PDF) 86 Page - Texas Instruments |
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TUSB7320 Datasheet(HTML) 86 Page - Texas Instruments |
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86 / 115 page  TUSB7320, TUSB7340 SLLSE76J – MARCH 2011 – REVISED MAY 2012 www.ti.com 6.3.11 Port PM Status and Control Register (USB 2.0 Ports) The TUSB73X0 implements a Port PM Status and Control Register for each port that is implemented. The number of Port PM Status and Control Registers is the same as the value in the MAX_PORTS field in the Host Controller Structural Parameters 1 Register (see Section 6.2.3). Operational Base register offset:404h + (10h*(n-1))), where n = Port Number Register type:Read-Only, Read/Write Default value: 0000 0000h Table 6-35. HC Operational Register (Operational Base + 404h + (10h*(n-1))), where n = Port Number 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 0 0 0 0 0 0 0 0 0 0 0 State Table 6-36. Port PM Status and Control Register (USB 2.0) Description Bit Field Name Access Description 31:28 PORT_TEST_CTRL rw Port Test Control. 27:16 RSVD r Reserved. Returns zeros when read. 15:8 L1_DEV_SLOT rw L1 Device Slot. 7:4 HIRD rw Host Initiated Resume Duration. 3 RWE rw Remote Wake Enable. 2:0 L1S r L1 Status. 6.3.12 Port Link Info Register The TUSB73X0 implements a Port Link Info Register for each port USB 3.0 port that is implemented. For USB 2.0 ports, the Port Link Info Register is reserved and returns zeros when read. The number of Port Link Info Registers is the same as the value in the MAX_PORTS field in the Host Controller Structural Parameters 1 Register (see Section 6.2.3). Operational Base register offset:408h + (10h*(n-1))), where n = Port Number Register type:Read-Only Default value: 0000 0000h Table 6-37. HC Operational Register (Operational Base + 408h + (10h*(n-1))), where n = Port Number 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 0 0 0 0 0 0 0 0 0 0 0 State 86 xHCI MEMORY MAPPED REGISTER SPACE Copyright © 2011–2012, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Link(s): TUSB7320 TUSB7340 |
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