EFM32WG Datasheet, PDF (573/834 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
31:9
8:4
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)
TOP
0x00
RW
LFXO failure counter top value.
LFXO failure counter will wrap to this value when reaching zero.
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
OSC
0x0
RW
Select oscillator for LFXO failure detection.
LFXO failure detection configuration.
Value
0
1
2
Mode
DISABLE
LFRCO
ULFRCO
Description
LFXO failure detection disabled.
LFRCO used for LFXO failure detection.
ULFRCO used for LFXO failure detection.
22.5.7 BURTC_STATUS - Status Register
Offset
0x018
Reset
Access
Bit Position
Name
Bit
Name
Reset
Access Description
31:3
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
2
RAMWERR
0
R
RAM write error.
Set if backup mode is entered during a write to the retention RAM.
1
BUMODETS
0
R
Timestamp for backup mode entry stored.
Set when a timestamp has been stored in BURTC_TIMESTAMP.
0
LPMODEACT
0
R
Low power mode active
Set when the BURTC is in low power mode
22.5.8 BURTC_CMD - Command Register
Offset
0x01C
Reset
Access
Bit Position
Name
Bit
Name
31:1
Reserved
0
CLRSTATUS
Reset
Access Description
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
0
W1
Clear BURTC_STATUS register.
2013-05-08 - Wonder Gecko Family - d0233_Rev0.50
573
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