EFM32WG Datasheet, PDF (574/834 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
Clear RAMWERR and BUMODETS in BURTC_STATUS.
22.5.9 BURTC_POWERDOWN - Retention RAM power-down Register
Offset
0x020
Reset
Access
Bit Position
Name
Bit
Name
Reset
Access Description
31:1
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
0
RAM
0
RW
Retention RAM power-down
Shut off power to the Retention RAM. Once it is powered down, it cannot be powered up again
22.5.10 BURTC_LOCK - Configuration Lock Register
Offset
0x024
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 BURTC_POWERDOWN, BURTC_CTRL, BURTC_LFXOFDET, and BURTC_IEN
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
0xAEE8
Description
BURTC_POWERDOWN,
BURTC_CTRL,
BURTC_LFXOFDET, and BURTC_IEN registers are unlocked
BURTC_POWERDOWN,
BURTC_CTRL,
BURTC_LFXOFDET, and BURTC_IEN registers are locked
Lock
BURTC_POWERDOWN,
BURTC_CTRL,
BURTC_LFXOFDET, and BURTC_IEN registers
Unlock BURTC registers
2013-05-08 - Wonder Gecko Family - d0233_Rev0.50
574
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