EFM32WG Datasheet, PDF (153/834 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
11.5.24 CMU_LFBPRESC0 - Low Frequency B Prescaler Register 0 (Async
Reg)
Offset
0x070
Reset
Access
Bit Position
Name
Bit
31:6
5:4
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)
LEUART1
0x0
RW
Configure Low Energy UART 1 prescaler
Low Energy UART 1 Prescaler
Value
0
1
2
3
Mode
DIV1
DIV2
DIV4
DIV8
Description
LFBCLK_LEUART1 = LFBCLK
LFBCLK_LEUART1 = LFBCLK/2
LFBCLK_LEUART1 = LFBCLK/4
LFBCLK_LEUART1 = LFBCLK/8
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
LEUART0
0x0
RW
Configure Low Energy UART 0 prescaler
Low Energy UART 0 Prescaler
Value
0
1
2
3
Mode
DIV1
DIV2
DIV4
DIV8
Description
LFBCLK_LEUART0 = LFBCLK
LFBCLK_LEUART0 = LFBCLK/2
LFBCLK_LEUART0 = LFBCLK/4
LFBCLK_LEUART0 = LFBCLK/8
11.5.25 CMU_PCNTCTRL - PCNT Control Register
Offset
0x078
Reset
Access
Bit Position
Name
Bit
31:6
5
Name
Reset
Access Description
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
PCNT2CLKSEL
0
RW
This bit controls which clock that is used for the PCNT.
PCNT2 Clock Select
Value
0
1
Mode
LFACLK
PCNT2S0
Description
LFACLK is clocking PCNT2.
External pin PCNT2_S0 is clocking PCNT0.
2013-05-08 - Wonder Gecko Family - d0233_Rev0.50
153
www.energymicro.com