EFM32WG Datasheet, PDF (350/834 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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15.6.2 USB_STATUS - System Status Register
Offset
0x004
Reset
Access
Bit Position
Name
Bit
Name
Reset
Access Description
31:1
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
0
VREGOS
0
R
VREGO Sense Output
USB_VREGO Voltage Sense output. 0 when no USB_VREGO voltage, 1 when USB_VREGO above approximately 1.8 V. Always
0 when VREGOSEN in USB_CTRL is 0.
15.6.3 USB_IF - Interrupt Flag Register
Offset
0x008
Reset
Access
Bit Position
Name
Bit
Name
Reset
Access Description
31:2
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
1
VREGOSL
1
R
VREGO Sense Low Interrupt Flag
Set when USB_VREGO drops below approximately 1.8 V.
0
VREGOSH
1
R
VREGO Sense High Interrupt Flag
Set when USB_VREGO goes above approximately 1.8 V.
15.6.4 USB_IFS - Interrupt Flag Set Register
Offset
0x00C
Reset
Access
Bit Position
Name
Bit
Name
31:2
Reserved
Reset
Access Description
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
2013-05-08 - Wonder Gecko Family - d0233_Rev0.50
350
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