EFM32WG Datasheet, PDF (352/834 Pages) List of Unclassifed Manufacturers – The EFM32WG Wonder Gecko is the ideal choice for demanding 8-, 16-, and 32-bit energy sensitive applications.

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15.6.7 USB_ROUTE - I/O Routing Register
Offset
0x018
Reset
Access
Bit Position
Name
Bit
Name
Reset
Access Description
31:3
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
2
DMPUPEN
0
RW
DMPU Pin Enable
When set, the USB_DMPU pin is enabled.
1
VBUSENPEN
0
RW
VBUSEN Pin Enable
When set, the USB_VBUSEN pin is enabled.
0
PHYPEN
0
RW
USB PHY Pin Enable
When set, the USB PHY and USB pins are enabled. The USB_DP and USB_DM are changed from regular GPIO pins to USB pins.
15.6.8 USB_GOTGCTL - OTG Control and Status Register
The OTG Control and Status register controls the behavior and reflects the status of the OTG function
of the core.
Offset
0x3C000
Reset
Access
Bit Position
Name
Bit
31:21
20
19
18
Name
Reset
Access Description
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
OTGVER
0
Indicates the OTG revision.
RW
OTG Version
Value
0
1
Mode
OTG13
OTG20
Description
OTG Version 1.3. In this version the core supports data line pulsing and VBus pulsing
for SRP.
OTG Version 2.0. In this version the core supports only data line pulsing for SRP.
BSESVLD
0
R
B-Session Valid (device only)
Indicates the Device mode transceiver status for B-session valid. In OTG mode, you can use this bit to determine if the device is
connected or disconnected.
ASESVLD
0
R
A-Session Valid (host only)
Indicates the Host mode transceiver status for A-session valid.
2013-05-08 - Wonder Gecko Family - d0233_Rev0.50
352
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