EFM32WG Datasheet, PDF (569/834 Pages) List of Unclassifed Manufacturers – The EFM32WG Wonder Gecko is the ideal choice for demanding 8-, 16-, and 32-bit energy sensitive applications.

22.4 Register Map
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The offset register address is relative to the registers base address.
Offset
0x000
0x004
0x008
0x00C
0x010
0x014
0x018
0x01C
0x020
0x024
0x028
0x02C
0x030
0x034
0x038
0x03C
0x100
...
0x2FC
Name
BURTC_CTRL
BURTC_LPMODE
BURTC_CNT
BURTC_COMP0
BURTC_TIMESTAMP
BURTC_LFXOFDET
BURTC_STATUS
BURTC_CMD
BURTC_POWERDOWN
BURTC_LOCK
BURTC_IF
BURTC_IFS
BURTC_IFC
BURTC_IEN
BURTC_FREEZE
BURTC_SYNCBUSY
RET0_REG
RETx_REG
RET127_REG
Type
RW
RW
R
RW
R
RW
R
W1
RW
RW
R
W1
W1
RW
RW
R
RW
RW
RW
Description
Control Register
Low power mode configuration
Counter Value Register
Counter Compare Value
Backup mode timestamp
LFXO
Status Register
Command Register
Retention RAM power-down Register
Configuration Lock Register
Interrupt Flag Register
Interrupt Flag Set Register
Interrupt Flag Clear Register
Interrupt Enable Register
Freeze Register
Synchronization Busy Register
Retention Register
Retention Register
Retention Register
22.5 Register Description
22.5.1 BURTC_CTRL - Control Register
Offset
0x000
Reset
Access
Bit Position
Name
Bit
31:15
14
13:12
Name
Reset
Access Description
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
BUMODETSEN
0
RW
Backup mode timestamp enable
When set, the BURTC will store its counter value in the BURTC_TIMESTAMP register upon backup mode entry.
CLKSEL
0x0
RW
Select BURTC clock source
Value
0
Mode
NONE
Description
No clock source selected for BURTC.
2013-05-08 - Wonder Gecko Family - d0233_Rev0.50
569
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