EFM32WG Datasheet, PDF (29/834 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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6.5 Register Map
The offset register address is relative to the registers base address.
Offset
0x000
0x004
0x008
0x0FC
Name
AAP_CMD
AAP_CMDKEY
AAP_STATUS
AAP_IDR
Type
W1
W1
R
R
Description
Command Register
Command Key Register
Status Register
AAP Identification Register
6.6 Register Description
6.6.1 AAP_CMD - Command Register
Offset
0x000
Reset
Access
Bit Position
Name
Bit
Name
Reset
Access Description
31:2
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
1
SYSRESETREQ
0
W1
System Reset Request
A system reset request is generated when set to 1. This register is write enabled from the AAP_CMDKEY register.
0
DEVICEERASE
0
W1
Erase the Flash Main Block, SRAM and Lock Bits
When set, all data and program code in the main block is erased, the SRAM is cleared and then the Lock Bit (LB) page is erased.
This also includes the Debug Lock Word (DLW), causing debug access to be enabled after the next reset. The information block
User Data page (UD) is left unchanged, but the User data page Lock Word (ULW) is erased. This register is write enabled from
the AAP_CMDKEY register.
6.6.2 AAP_CMDKEY - Command Key Register
Offset
0x004
Bit Position
Reset
Access
Name
Bit
Name
31:0
WRITEKEY
Reset
0x00000000
Access
W1
Description
CMD Key Register
2013-05-08 - Wonder Gecko Family - d0233_Rev0.50
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