Zynq UltraScale+ Devices Register Reference > Module Summary > USB3_XHCI Module > HCCPARAMS1 (USB3_XHCI) Register

HCCPARAMS1 (USB3_XHCI) Register

HCCPARAMS1 (USB3_XHCI) Register Description

Register NameHCCPARAMS1
Relative Address0x0000000010
Absolute Address 0x00FE200010 (USB3_0_XHCI)
0x00FE300010 (USB3_1_XHCI)
Width32
TyperoRead-only
Reset Value0x0238F66D
DescriptionCapability Parameters 1 Register
For register definitions, refer to the xHCI specification.

HCCPARAMS1 (USB3_XHCI) Register Bit-Field Summary

Field NameBitsTypeReset ValueDescription
XECP31:16roRead-only0x238xHCI Extended Capabilities Pointer (xECP)
Based on configuration, core automatically updates it.
Refer to <workspace>/src/DWC_usb3_params.v for details on DWC_USB3_HC_XECP.
MAXPSASIZE15:12roRead-only0xFMaximum Primary Stream Array Size (MaxPSASize)
For a description of this standard USB register field, see the eXtensible Host Controller Interface for Universal Serial Bus (USB) Specification 3.0.
CFC11roRead-only0x0Contiguous Frame ID Capability (CFC)
SEC10roRead-only0x1Stopped EDLTA Capability (SEC)
For a description of this standard USB register field, see the eXtensible Host Controller Interface for Universal Serial Bus (USB) Specification 3.0.
SPC 9roRead-only0x1Short Packet Capability (SPC)
For a description of this standard USB register field, see the eXtensible Host Controller Interface for Universal Serial Bus (USB) Specification 3.0.
PAE 8roRead-only0x0Parse All Event Data (PAE)
For a description of this standard USB register field, see the eXtensible Host Controller Interface for Universal Serial Bus (USB) Specification 3.0.
NSS 7roRead-only0x0No Secondary SID Support (NSS)
For a description of this standard USB register field, see the eXtensible Host Controller Interface for Universal Serial Bus (USB) Specification 3.0.
LTC 6roRead-only0x1Latency Tolerance Messaging Capability (LTC)
For a description of this standard USB register field, see the eXtensible Host Controller Interface for Universal Serial Bus (USB) Specification 3.0.
LHRC 5roRead-only0x1Light HC Reset Capability
For a description of this standard USB register field, see the eXtensible Host Controller Interface for Universal Serial Bus (USB) Specification 3.0.
PIND 4roRead-only0x0Port Indicators (PIND)
For a description of this standard USB register field, see the eXtensible Host Controller Interface for Universal Serial Bus (USB) Specification 3.0.
PPC 3roRead-only0x1Port Power Control
For a description of this standard USB register field, see the eXtensible Host Controller Interface for Universal Serial Bus (USB) Specification 3.0.
CSZ 2roRead-only0x1Context Size (CSZ)
For a description of this standard USB register field, see the eXtensible Host Controller Interface for Universal Serial Bus (USB) Specification 3.0.
BNC 1roRead-only0x0BW Negotiation Capability (BNC)
For a description of this standard USB register field, see the eXtensible Host Controller Interface for Universal Serial Bus (USB) Specification 3.0.
AC64 0roRead-only0x164-bit Addressing Capability (AC64)
For a description of this standard USB register field, see the eXtensible Host Controller Interface for Universal Serial Bus (USB) Specification 3.0.