PORTHLPMC_20 (USB3_XHCI) Register Description
| Register Name | PORTHLPMC_20 |
|---|---|
| Offset Address | 0x000000042C |
| Absolute Address |
0x00FE20042C (USB3_0_XHCI) 0x00FE30042C (USB3_1_XHCI) |
| Width | 32 |
| Type | mixedMixed types. See bit-field details. |
| Reset Value | 0x00000000 |
| Description | USB2 Port Hardware LPM Control Register Bit Definitions For a description of this standard USB register field, see the eXtensible Host Controller Interface for Universal Serial Bus (USB) Specification 3.0. |
PORTHLPMC_20 (USB3_XHCI) Register Bit-Field Summary
| Field Name | Bits | Type | Reset Value | Description |
|---|---|---|---|---|
| Reserved | 31:14 | roRead-only | 0x0 | Reserved For a description of this standard USB register field, see the eXtensible Host Controller Interface for Universal Serial Bus (USB) Specification 3.0. |
| HIRDD | 13:10 | rwNormal read/write | 0 | PORTHLPMC_20 HIRDD |
| L1_TIMEOUT | 9:2 | rwNormal read/write | 0 | PORTHLPMC_20 L1_TIMEOUT. For a description of this standard USB register field, see the eXtensible Host Controller Interface for Universal Serial Bus (USB) Specification 3.0. |
| HIRDM | 1:0 | rwNormal read/write | 0 | Host Initiated Resume Duration Mode (HIRDM) - RWS. Default = 0h. Indicates which HIRD value must be used. The following are permissible values: Value Description 0 Initiate L1 using HIRD only on timeout. (default) 1 Initiate L1 using HIRDD on timeout. If rejected by device, initiate L1 using HIRD. 3-2 Reserved. |