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USB_OTG

Peripheral Memory Blocks

address_offset : 0x0 Bytes (0x0)
size : 0x400 byte (0x0)
mem_usage : registers
protection : not protected

Registers

FS_GOTGCTL

FS_GRSTCTL

FS_HPTXFSIZ

FS_DIEPTXF1

FS_DIEPTXF2

FS_DIEPTXF3

FS_GINTSTS

FS_GINTMSK

FS_GRXSTSR_Device

FS_GRXSTSR_Host

FS_GRXFSIZ

FS_GNPTXFSIZ_Device

FS_GNPTXFSIZ_Host

FS_GNPTXSTS

FS_GCCFG

FS_CID

FS_GOTGINT

FS_GAHBCFG

FS_GUSBCFG


FS_GOTGCTL

OTG_FS control and status register (OTG_FS_GOTGCTL)
address_offset : 0x0 Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0

FS_GOTGCTL FS_GOTGCTL read-write 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Resets to Resets to 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 SRQSCS SRQ HNGSCS HNPRQ HSHNPEN DHNPEN CIDSTS DBCT ASVLD BSVLD

SRQSCS : Session request success
bits : 0 - 0 (1 bit)
access : read-only

SRQ : Session request
bits : 1 - 1 (1 bit)
access : read-write

HNGSCS : Host negotiation success
bits : 8 - 8 (1 bit)
access : read-only

HNPRQ : HNP request
bits : 9 - 9 (1 bit)
access : read-write

HSHNPEN : Host set HNP enable
bits : 10 - 10 (1 bit)
access : read-write

DHNPEN : Device HNP enabled
bits : 11 - 11 (1 bit)
access : read-write

CIDSTS : Connector ID status
bits : 16 - 16 (1 bit)
access : read-only

DBCT : Long/short debounce time
bits : 17 - 17 (1 bit)
access : read-only

ASVLD : A-session valid
bits : 18 - 18 (1 bit)
access : read-only

BSVLD : B-session valid
bits : 19 - 19 (1 bit)
access : read-only


FS_GRSTCTL

OTG_FS reset register (OTG_FS_GRSTCTL)
address_offset : 0x10 Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0

FS_GRSTCTL FS_GRSTCTL read-write 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Resets to Resets to 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 CSRST HSRST FCRST RXFFLSH TXFFLSH TXFNUM AHBIDL

CSRST : Core soft reset
bits : 0 - 0 (1 bit)
access : read-write

HSRST : HCLK soft reset
bits : 1 - 1 (1 bit)
access : read-write

FCRST : Host frame counter reset
bits : 2 - 2 (1 bit)
access : read-write

RXFFLSH : RxFIFO flush
bits : 4 - 4 (1 bit)
access : read-write

TXFFLSH : TxFIFO flush
bits : 5 - 5 (1 bit)
access : read-write

TXFNUM : TxFIFO number
bits : 6 - 10 (5 bit)
access : read-write

AHBIDL : AHB master idle
bits : 31 - 31 (1 bit)
access : read-only


FS_HPTXFSIZ

OTG_FS Host periodic transmit FIFO size register (OTG_FS_HPTXFSIZ)
address_offset : 0x100 Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0

FS_HPTXFSIZ FS_HPTXFSIZ read-write 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Resets to Resets to 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 PTXSA PTXFSIZ

PTXSA : Host periodic TxFIFO start address
bits : 0 - 15 (16 bit)

PTXFSIZ : Host periodic TxFIFO depth
bits : 16 - 31 (16 bit)


FS_DIEPTXF1

OTG_FS device IN endpoint transmit FIFO size register (OTG_FS_DIEPTXF2)
address_offset : 0x104 Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0

FS_DIEPTXF1 FS_DIEPTXF1 read-write 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Resets to Resets to 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 INEPTXSA INEPTXFD

INEPTXSA : IN endpoint FIFO2 transmit RAM start address
bits : 0 - 15 (16 bit)

INEPTXFD : IN endpoint TxFIFO depth
bits : 16 - 31 (16 bit)


FS_DIEPTXF2

OTG_FS device IN endpoint transmit FIFO size register (OTG_FS_DIEPTXF3)
address_offset : 0x108 Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0

FS_DIEPTXF2 FS_DIEPTXF2 read-write 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Resets to Resets to 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 INEPTXSA INEPTXFD

INEPTXSA : IN endpoint FIFO3 transmit RAM start address
bits : 0 - 15 (16 bit)

INEPTXFD : IN endpoint TxFIFO depth
bits : 16 - 31 (16 bit)


FS_DIEPTXF3

OTG_FS device IN endpoint transmit FIFO size register (OTG_FS_DIEPTXF4)
address_offset : 0x10C Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0

FS_DIEPTXF3 FS_DIEPTXF3 read-write 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Resets to Resets to 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 INEPTXSA INEPTXFD

INEPTXSA : IN endpoint FIFO4 transmit RAM start address
bits : 0 - 15 (16 bit)

INEPTXFD : IN endpoint TxFIFO depth
bits : 16 - 31 (16 bit)


FS_GINTSTS

OTG_FS core interrupt register (OTG_FS_GINTSTS)
address_offset : 0x14 Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0

FS_GINTSTS FS_GINTSTS read-write 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Resets to Resets to 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 CMOD MMIS OTGINT SOF RXFLVL NPTXFE GINAKEFF GOUTNAKEFF ESUSP USBSUSP USBRST ENUMDNE ISOODRP EOPF IEPINT OEPINT IISOIXFR IPXFR_INCOMPISOOUT HPRTINT HCINT PTXFE CIDSCHG DISCINT SRQINT WKUPINT

CMOD : Current mode of operation
bits : 0 - 0 (1 bit)
access : read-only

MMIS : Mode mismatch interrupt
bits : 1 - 1 (1 bit)
access : read-write

OTGINT : OTG interrupt
bits : 2 - 2 (1 bit)
access : read-only

SOF : Start of frame
bits : 3 - 3 (1 bit)
access : read-write

RXFLVL : RxFIFO non-empty
bits : 4 - 4 (1 bit)
access : read-only

NPTXFE : Non-periodic TxFIFO empty
bits : 5 - 5 (1 bit)
access : read-only

GINAKEFF : Global IN non-periodic NAK effective
bits : 6 - 6 (1 bit)
access : read-only

GOUTNAKEFF : Global OUT NAK effective
bits : 7 - 7 (1 bit)
access : read-only

ESUSP : Early suspend
bits : 10 - 10 (1 bit)
access : read-write

USBSUSP : USB suspend
bits : 11 - 11 (1 bit)
access : read-write

USBRST : USB reset
bits : 12 - 12 (1 bit)
access : read-write

ENUMDNE : Enumeration done
bits : 13 - 13 (1 bit)
access : read-write

ISOODRP : Isochronous OUT packet dropped interrupt
bits : 14 - 14 (1 bit)
access : read-write

EOPF : End of periodic frame interrupt
bits : 15 - 15 (1 bit)
access : read-write

IEPINT : IN endpoint interrupt
bits : 18 - 18 (1 bit)
access : read-only

OEPINT : OUT endpoint interrupt
bits : 19 - 19 (1 bit)
access : read-only

IISOIXFR : Incomplete isochronous IN transfer
bits : 20 - 20 (1 bit)
access : read-write

IPXFR_INCOMPISOOUT : Incomplete periodic transfer(Host mode)/Incomplete isochronous OUT transfer(Device mode)
bits : 21 - 21 (1 bit)
access : read-write

HPRTINT : Host port interrupt
bits : 24 - 24 (1 bit)
access : read-only

HCINT : Host channels interrupt
bits : 25 - 25 (1 bit)
access : read-only

PTXFE : Periodic TxFIFO empty
bits : 26 - 26 (1 bit)
access : read-only

CIDSCHG : Connector ID status change
bits : 28 - 28 (1 bit)
access : read-write

DISCINT : Disconnect detected interrupt
bits : 29 - 29 (1 bit)
access : read-write

SRQINT : Session request/new session detected interrupt
bits : 30 - 30 (1 bit)
access : read-write

WKUPINT : Resume/remote wakeup detected interrupt
bits : 31 - 31 (1 bit)
access : read-write


FS_GINTMSK

OTG_FS interrupt mask register (OTG_FS_GINTMSK)
address_offset : 0x18 Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0

FS_GINTMSK FS_GINTMSK read-write 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Resets to Resets to 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 MMISM OTGINT SOFM RXFLVLM NPTXFEM GINAKEFFM GONAKEFFM ESUSPM USBSUSPM USBRST ENUMDNEM ISOODRPM EOPFM EPMISM IEPINT OEPINT IISOIXFRM IPXFRM_IISOOXFRM PRTIM HCIM PTXFEM CIDSCHGM DISCINT SRQIM WUIM

MMISM : Mode mismatch interrupt mask
bits : 1 - 1 (1 bit)
access : read-write

OTGINT : OTG interrupt mask
bits : 2 - 2 (1 bit)
access : read-write

SOFM : Start of frame mask
bits : 3 - 3 (1 bit)
access : read-write

RXFLVLM : Receive FIFO non-empty mask
bits : 4 - 4 (1 bit)
access : read-write

NPTXFEM : Non-periodic TxFIFO empty mask
bits : 5 - 5 (1 bit)
access : read-write

GINAKEFFM : Global non-periodic IN NAK effective mask
bits : 6 - 6 (1 bit)
access : read-write

GONAKEFFM : Global OUT NAK effective mask
bits : 7 - 7 (1 bit)
access : read-write

ESUSPM : Early suspend mask
bits : 10 - 10 (1 bit)
access : read-write

USBSUSPM : USB suspend mask
bits : 11 - 11 (1 bit)
access : read-write

USBRST : USB reset mask
bits : 12 - 12 (1 bit)
access : read-write

ENUMDNEM : Enumeration done mask
bits : 13 - 13 (1 bit)
access : read-write

ISOODRPM : Isochronous OUT packet dropped interrupt mask
bits : 14 - 14 (1 bit)
access : read-write

EOPFM : End of periodic frame interrupt mask
bits : 15 - 15 (1 bit)
access : read-write

EPMISM : Endpoint mismatch interrupt mask
bits : 17 - 17 (1 bit)
access : read-write

IEPINT : IN endpoints interrupt mask
bits : 18 - 18 (1 bit)
access : read-write

OEPINT : OUT endpoints interrupt mask
bits : 19 - 19 (1 bit)
access : read-write

IISOIXFRM : Incomplete isochronous IN transfer mask
bits : 20 - 20 (1 bit)
access : read-write

IPXFRM_IISOOXFRM : Incomplete periodic transfer mask(Host mode)/Incomplete isochronous OUT transfer mask(Device mode)
bits : 21 - 21 (1 bit)
access : read-write

PRTIM : Host port interrupt mask
bits : 24 - 24 (1 bit)
access : read-only

HCIM : Host channels interrupt mask
bits : 25 - 25 (1 bit)
access : read-write

PTXFEM : Periodic TxFIFO empty mask
bits : 26 - 26 (1 bit)
access : read-write

CIDSCHGM : Connector ID status change mask
bits : 28 - 28 (1 bit)
access : read-write

DISCINT : Disconnect detected interrupt mask
bits : 29 - 29 (1 bit)
access : read-write

SRQIM : Session request/new session detected interrupt mask
bits : 30 - 30 (1 bit)
access : read-write

WUIM : Resume/remote wakeup detected interrupt mask
bits : 31 - 31 (1 bit)
access : read-write


FS_GRXSTSR_Device

OTG_FS Receive status debug read(Device mode)
address_offset : 0x1C Bytes (0x0)
size : 32 bit
access : read-only
reset_value : 0x0
reset_Mask : 0x0

FS_GRXSTSR_Device FS_GRXSTSR_Device read-only 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Resets to Resets to 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 EPNUM BCNT DPID PKTSTS FRMNUM

EPNUM : Endpoint number
bits : 0 - 3 (4 bit)

BCNT : Byte count
bits : 4 - 14 (11 bit)

DPID : Data PID
bits : 15 - 16 (2 bit)

PKTSTS : Packet status
bits : 17 - 20 (4 bit)

FRMNUM : Frame number
bits : 21 - 24 (4 bit)


FS_GRXSTSR_Host

OTG_FS Receive status debug read(Host mode)
address_offset : 0x1C Bytes (0x0)
size : 32 bit
access : read-only
reset_value : 0x0
alternate_register : FS_GRXSTSR_Device
reset_Mask : 0x0

FS_GRXSTSR_Host FS_GRXSTSR_Host read-only 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Resets to Resets to 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 EPNUM BCNT DPID PKTSTS FRMNUM

EPNUM : Endpoint number
bits : 0 - 3 (4 bit)

BCNT : Byte count
bits : 4 - 14 (11 bit)

DPID : Data PID
bits : 15 - 16 (2 bit)

PKTSTS : Packet status
bits : 17 - 20 (4 bit)

FRMNUM : Frame number
bits : 21 - 24 (4 bit)


FS_GRXFSIZ

OTG_FS Receive FIFO size register (OTG_FS_GRXFSIZ)
address_offset : 0x24 Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0

FS_GRXFSIZ FS_GRXFSIZ read-write 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Resets to Resets to 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 RXFD

RXFD : RxFIFO depth
bits : 0 - 15 (16 bit)


FS_GNPTXFSIZ_Device

OTG_FS non-periodic transmit FIFO size register (Device mode)
address_offset : 0x28 Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0

FS_GNPTXFSIZ_Device FS_GNPTXFSIZ_Device read-write 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Resets to Resets to 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TX0FSA TX0FD

TX0FSA : Endpoint 0 transmit RAM start address
bits : 0 - 15 (16 bit)

TX0FD : Endpoint 0 TxFIFO depth
bits : 16 - 31 (16 bit)


FS_GNPTXFSIZ_Host

OTG_FS non-periodic transmit FIFO size register (Host mode)
address_offset : 0x28 Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
alternate_register : FS_GNPTXFSIZ_Device
reset_Mask : 0x0

FS_GNPTXFSIZ_Host FS_GNPTXFSIZ_Host read-write 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Resets to Resets to 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 NPTXFSA NPTXFD

NPTXFSA : Non-periodic transmit RAM start address
bits : 0 - 15 (16 bit)

NPTXFD : Non-periodic TxFIFO depth
bits : 16 - 31 (16 bit)


FS_GNPTXSTS

OTG_FS non-periodic transmit FIFO/queue status register (OTG_FS_GNPTXSTS)
address_offset : 0x2C Bytes (0x0)
size : 32 bit
access : read-only
reset_value : 0x0
reset_Mask : 0x0

FS_GNPTXSTS FS_GNPTXSTS read-only 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Resets to Resets to 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 NPTXFSAV NPTQXSAV NPTXQTOP

NPTXFSAV : Non-periodic TxFIFO space available
bits : 0 - 15 (16 bit)

NPTQXSAV : Non-periodic transmit request queue space available
bits : 16 - 23 (8 bit)

NPTXQTOP : Top of the non-periodic transmit request queue
bits : 24 - 30 (7 bit)


FS_GCCFG

OTG_FS general core configuration register (OTG_FS_GCCFG)
address_offset : 0x38 Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0

FS_GCCFG FS_GCCFG read-write 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Resets to Resets to 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 PWRDWN VBUSASEN VBUSBSEN SOFOUTEN

PWRDWN : Power down
bits : 16 - 16 (1 bit)

VBUSASEN : Enable the VBUS sensing device
bits : 18 - 18 (1 bit)

VBUSBSEN : Enable the VBUS sensing device
bits : 19 - 19 (1 bit)

SOFOUTEN : SOF output enable
bits : 20 - 20 (1 bit)


FS_CID

core ID register
address_offset : 0x3C Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0

FS_CID FS_CID read-write 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Resets to Resets to 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 PRODUCT_ID

PRODUCT_ID : Product ID field
bits : 0 - 31 (32 bit)


FS_GOTGINT

OTG_FS interrupt register (OTG_FS_GOTGINT)
address_offset : 0x4 Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0

FS_GOTGINT FS_GOTGINT read-write 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Resets to Resets to 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 SEDET SRSSCHG HNSSCHG HNGDET ADTOCHG DBCDNE

SEDET : Session end detected
bits : 2 - 2 (1 bit)

SRSSCHG : Session request success status change
bits : 8 - 8 (1 bit)

HNSSCHG : Host negotiation success status change
bits : 9 - 9 (1 bit)

HNGDET : Host negotiation detected
bits : 17 - 17 (1 bit)

ADTOCHG : A-device timeout change
bits : 18 - 18 (1 bit)

DBCDNE : Debounce done
bits : 19 - 19 (1 bit)


FS_GAHBCFG

OTG_FS AHB configuration register (OTG_FS_GAHBCFG)
address_offset : 0x8 Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0

FS_GAHBCFG FS_GAHBCFG read-write 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Resets to Resets to 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 GINT TXFELVL PTXFELVL

GINT : Global interrupt mask
bits : 0 - 0 (1 bit)

TXFELVL : TxFIFO empty level
bits : 7 - 7 (1 bit)

PTXFELVL : Periodic TxFIFO empty level
bits : 8 - 8 (1 bit)


FS_GUSBCFG

OTG_FS USB configuration register (OTG_FS_GUSBCFG)
address_offset : 0xC Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0

FS_GUSBCFG FS_GUSBCFG read-write 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Resets to Resets to 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOCAL PHYSEL SRPCAP HNPCAP TRDT FHMOD FDMOD CTXPKT

TOCAL : FS timeout calibration
bits : 0 - 2 (3 bit)
access : read-write

PHYSEL : Full Speed serial transceiver select
bits : 7 - 7 (1 bit)
access : write-only

SRPCAP : SRP-capable
bits : 8 - 8 (1 bit)
access : read-write

HNPCAP : HNP-capable
bits : 9 - 9 (1 bit)
access : read-write

TRDT : USB turnaround time
bits : 10 - 13 (4 bit)
access : read-write

FHMOD : Force host mode
bits : 29 - 29 (1 bit)
access : read-write

FDMOD : Force device mode
bits : 30 - 30 (1 bit)
access : read-write

CTXPKT : Corrupt Tx packet
bits : 31 - 31 (1 bit)
access : read-write



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