Samsung S3C6400X User Manual page 825

USB2.0 HS OTG
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
GOTGCTL 0x7C00_0000
GOTGCTL
[31:20]
BSesVld
ASesVld
DbncTime
ConIDSts
[15:12]
DevHNPEn
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
26-18
Specifications and information herein are subject to change without notice.
R/W
R/W
Bit R/W
Reserved
[19] RO B-Session Valid
Indicates the Device mode transceiver status.
· 1'b0 : B-session is not valid
· 1'b1 : B-session is valid
[18] RO A-Session Valid
Indicates the Host mode transceiver status.
· 1'b0 : A-session is not valid
· 1'b1 : A-session is valid
[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
[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
Reserved
[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
Description
OTG Control and Status Register
Description
S3C6400X RISC MICROPROCESSOR
Reset Value
Initial State
32 bits
12'h0
1'b0
1'b0
1'b0
1'b1
4'h0
1'b0