EFM32WG Datasheet, PDF (488/834 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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Bit
Name
Reset
Access Description
Set to enable filter on IrDA demodulator.
Value
0
1
Description
No filter enabled
Filter enabled. IrDA pulse must be high for at least 4 consecutive clock cycles to be detected
2:1
IRPW
0x0
RW
IrDA TX Pulse Width
Configure the pulse width generated by the IrDA modulator as a fraction of the configured USART bit period.
Value
0
1
2
3
Mode
ONE
TWO
THREE
FOUR
Description
IrDA pulse width is 1/16 for OVS=0 and 1/8 for OVS=1
IrDA pulse width is 2/16 for OVS=0 and 2/8 for OVS=1
IrDA pulse width is 3/16 for OVS=0 and 3/8 for OVS=1
IrDA pulse width is 4/16 for OVS=0 and 4/8 for OVS=1
0
IREN
0
RW
Enable IrDA Module
Enable IrDA module and rout USART signals through it.
17.5.22 USARTn_ROUTE - I/O Routing Register
Offset
0x054
Reset
Access
Bit Position
Name
Bit
31:11
10:8
7:4
3
2
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 USART I/O pins.
I/O Location
Value
0
1
2
3
4
5
Mode
LOC0
LOC1
LOC2
LOC3
LOC4
LOC5
Description
Location 0
Location 1
Location 2
Location 3
Location 4
Location 5
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
CLKPEN
0
RW
When set, the CLK pin of the USART is enabled.
CLK Pin Enable
Value
0
1
Description
The USn_CLK pin is disabled
The USn_CLK pin is enabled
CSPEN
0
RW
When set, the CS pin of the USART is enabled.
CS Pin Enable
Value
0
1
Description
The USn_CS pin is disabled
The USn_CS pin is enabled
2013-05-08 - Wonder Gecko Family - d0233_Rev0.50
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