EFM32WG Datasheet, PDF (772/834 Pages) List of Unclassifed Manufacturers – The EFM32WG Wonder Gecko is the ideal choice for demanding 8-, 16-, and 32-bit energy sensitive applications.

Bit
Name
Value
0x01
0x02
0x04
0x08
0x10
0x20
Mode
A0
A6
C9
F1
F2
E13
Reset
...the world's most energy friendly microcontrollers
Access Description
Description
Enable em4 wakeup on pin A0
Enable em4 wakeup on pin A6
Enable em4 wakeup on pin C9
Enable em4 wakeup on pin F1
Enable em4 wakeup on pin F2
Enable em4 wakeup on pin E13
32.5.24 GPIO_EM4WUPOL - EM4 Wake-up Polarity Register
Offset
0x138
Reset
Access
Bit Position
Name
Bit
31:6
5:0
Name
Reset
Access Description
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
EM4WUPOL
0x00
RW
EM4 Wake-up Polarity
Write bit n to 1 for high wake-up request. Write bit n to 0 for low wake-up request
Value
0x01
0x02
0x04
0x08
0x10
0x20
Mode
A0
A6
C9
F1
F2
E13
Description
Determines polarity on pin A0
Determines polarity on pin A6
Determines polarity on pin C9
Determines polarity on pin F1
Determines polarity on pin F2
Determines polarity on pin E13
32.5.25 GPIO_EM4WUCAUSE - EM4 Wake-up Cause Register
Offset
0x13C
Reset
Access
Bit Position
Name
Bit
Name
Reset
Access Description
31:6
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
5:0
EM4WUCAUSE
0x00
R
EM4 wake-up cause
Bit n indicates which pin the wake-up request occurd.
2013-05-08 - Wonder Gecko Family - d0233_Rev0.50
772
www.energymicro.com