EFM32WG Datasheet, PDF (169/834 Pages) List of Unclassifed Manufacturers – The EFM32WG Wonder Gecko is the ideal choice for demanding 8-, 16-, and 32-bit energy sensitive applications.

...the world's most energy friendly microcontrollers
13.5.3 PRS_ROUTE - I/O Routing Register
Offset
0x008
Reset
Access
Bit Position
Name
Bit
31:11
10:8
7:4
3
2
1
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)
LOCATION
0x0
RW
Decides the location of the PRS I/O pins.
I/O Location
Value
0
1
Mode
LOC0
LOC1
Description
Location 0
Location 1
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
CH3PEN
0
RW
When set, GPIO output from PRS channel 3 is enabled
CH2PEN
0
RW
When set, GPIO output from PRS channel 2 is enabled
CH1PEN
0
RW
When set, GPIO output from PRS channel 1 is enabled
CH0PEN
0
RW
When set, GPIO output from PRS channel 0 is enabled
CH3 Pin Enable
CH2 Pin Enable
CH1 Pin Enable
CH0 Pin Enable
13.5.4 PRS_CHx_CTRL - Channel Control Register
Offset
0x010
Bit Position
Reset
Access
Name
Bit
31:29
28
27:26
25:24
Name
Reset
Access Description
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
ASYNC
0
RW
Asynchronous reflex
Set to disable synchronization of this reflex signal
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
EDSEL
0x0
Select edge detection.
RW
Edge Detect Select
Value
0
Mode
OFF
Description
Signal is left as it is
2013-05-08 - Wonder Gecko Family - d0233_Rev0.50
169
www.energymicro.com