GSTS

         Global Status Register
      
Module Instance Base Address Register Address
i_usb31_0__ahb_slave__11000000__DWC_usb31_block_gbl__SEG_L4_AHB_USB1_0x0_0x100000 0x1100C100 0x1100C118

Size: 32

Offset: 0x18

Access: RW

Important: The value of a reserved bit must be maintained in software. When you modify registers containing reserved bit fields, you must use a read-modify-write operation to preserve state and prevent indeterminate system behavior.
Bit Fields
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16

CBELT

RO 0x7E8

reserved_19_12

RO 0x0

15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

reserved_19_12

RO 0x0

reserved_11_8

RO 0x0

Host_IP

RO 0x0

Device_IP

RO 0x0

CSRTimeout

RW 0x0

BUSERRADDRVLD

RW 0x0

reserved_3_2

RO 0x0

CURMOD

RO 0x0

GSTS Fields

Bit Name Description Access Reset
31:20 CBELT
Current BELT Value
  
  In Host mode, this field indicates the minimum value of all received device BELT values and the BELT value that is set by the Set Latency Tolerance Value command.
RO 0x7E8
19:12 reserved_19_12
Reserved
RO 0x0
11:8 reserved_11_8
Reserved
RO 0x0
7 Host_IP
Host Interrupt Pending:
  
  This field indicates that there is a pending interrupt pertaining to xHC in the Host event queue.
RO 0x0
6 Device_IP
Device Interrupt Pending
  
  This field indicates that there is a pending interrupt pertaining to peripheral (device) operation in the Device event queue.
  
RO 0x0
5 CSRTimeout
CSR Timeout
  
  When this bit is 1'b1, it indicates that the software performed a write or read to a controller register that could not be completed within the CSR access time.
  
  For more details, refer to the <link:ext>07_Registers_additional_info.fm:csr_timeout_mech,"CSR Timeout Mechanism"</link> section.
RW 0x0
4 BUSERRADDRVLD
Bus Error Address Valid (BusErrAddrVld)
  
  Indicates that the GBUSERRADDR register is valid and reports the first bus address that encounters a bus error.
  
  Note: Only supported in AHB and AXI configurations.
RW 0x0
3:2 reserved_3_2
Reserved
RO 0x0
1:0 CURMOD
Current Mode of Operation (CurMod)
  
  Indicates the current mode of operation:
   - 2'b00: Device mode
   - 2'b01: Host mode 
  
RO 0x0