Zynq UltraScale+ Devices Register Reference > Module Summary > USB3_XHCI Module > DBOFF (USB3_XHCI) Register
Register Name | DBOFF |
---|---|
Relative Address | 0x0000000014 |
Absolute Address |
0x00FE200014 (USB3_0_XHCI) 0x00FE300014 (USB3_1_XHCI) |
Width | 32 |
Type | roRead-only |
Reset Value | 0x00000000 |
Description | Doorbell Offset Register For register definitions, refer to the xHCI specification. |
Field Name | Bits | Type | Reset Value | Description |
---|---|---|---|---|
DOORBELL_ARRAY_OFFSET | 31:2 | roRead-only | 0 | Doorbell Array Offset - RO Based on configuration, core automatically updates it. For a description of this standard USB register field, see the eXtensible Host Controller Interface for Universal Serial Bus (USB) Specification 3.0. |
Reserved | 1:0 | roRead-only | 0x0 | Reserved |