DB11 (USB_XHCI) Register

Versal Adaptive SoC Register Reference (AM012)

Document ID
AM012
Release Date
2023-08-29
Revision
1.3

DB11 (USB_XHCI) Register Description

Register NameDB11
Relative Address0x000000050C
Absolute Address 0x00FE20050C (USB2_XHCI)
Width32
TypemixedMixed types. See bit-field details.
Reset Value0x00000000
DescriptionDoorbell Target and Stream ID

Note: Programming this field with random data will cause side effect i.e. Register Access will fail (Timeout) if the pipe clock is not running or reset is asserted. Note: Bit Bash register testing is not recommended. For a description of this standard USB register, see the eXtensible Host Controller Interface for Universal Serial Bus (USB) Specification

DB11 (USB_XHCI) Register Bit-Field Summary

Field NameBitsTypeReset ValueDescription
DB_STREAM_ID31:16rwNormal read/write0Doorbell stream ID
Reserved15:8roRead-only0x0Reserved
DB_TARGET 7:0rwNormal read/write0Doorbell Target