EFM32WG Datasheet, PDF (117/834 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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10.5.2 EMU_LOCK - Configuration Lock Register
Offset
0x008
Bit Position
Reset
Access
Name
Bit
31:16
15:0
Name
Reset
Access Description
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
LOCKKEY
0x0000
RW
Configuration Lock Key
Write any other value than the unlock code to lock all EMU registers, except the interrupt registers, from editing. Write the unlock
code to unlock. When reading the register, bit 0 is set when the lock is enabled.
Mode
Read Operation
UNLOCKED
LOCKED
Write Operation
LOCK
UNLOCK
Value
0
1
0
0xADE8
Description
EMU registers are unlocked.
EMU registers are locked.
Lock EMU registers.
Unlock EMU registers.
10.5.3 EMU_AUXCTRL - Auxiliary Control Register
Offset
0x024
Reset
Access
Bit Position
Name
Bit
Name
Reset
Access Description
31:9
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
8
REDLFXOBOOST
0
RW
Reduce LFXO Start-up Boost Current
Set this bit to reduce start-up boost current for LFXO.
7:1
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
0
HRCCLR
0
RW
Hard Reset Cause Clear
Write to 1 and then 0 to clear the POR, BOD and WDOG reset cause register bits. See also the Reset Management Unit (RMU).
2013-05-08 - Wonder Gecko Family - d0233_Rev0.50
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