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PRELIMINARY
USB2.0 HS OTG
S3C6400X RISC MICROPROCESSOR
26-18
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
OTG LINK CORE REGISTERS
OTG GLOBAL REGISTERS
These registers are available in both Host and Device modes, and not required to be reprogrammed when
switching between these modes.
OTG CONTROL AND STATUS REGISTER (GOTGCTL)
The OTG Control and Status register controls the behavior and reflects the status of the OTG function of the core.
Register
Address
R/W
Description
Reset Value
GOTGCTL
0x7C00_0000
R/W
OTG Control and Status Register
32 bits
GOTGCTL
Bit
R/W
Description
Initial State
[31:20]
Reserved
12’h0
BSesVld
[19]
RO
B-Session Valid
Indicates the Device mode transceiver status.
·
1’b0 : B-session is not valid
·
1’b1 : B-session is valid
1’b0
ASesVld
[18]
RO
A-Session Valid
Indicates the Host mode transceiver status.
·
1’b0 : A-session is not valid
·
1’b1 : A-session is valid
1’b0
DbncTime
[17]
RO
Long/Short Debounce Time
Indicates the debounce time of a detected
connection.
·
1’b0 : Long debounce time, used for physical
connections
·
1’b1 : Short debounce time, used for soft
connections
1’b0
ConIDSts
[16]
RO
Connector ID Status
Indicates the connector ID status.
·
1’b0 : The OTG core is in A-device mode
·
1’b1 : The OTG core is in B-device mode
1’b1
[15:12]
Reserved
4’h0
DevHNPEn
[11]
R_W
Device HNP Enable
The application sets the bit when it successfully
receives a SetFeature.
·
1’b0 : HNP is not enabled in the application
1’b0