EFM32WG Datasheet, PDF (741/834 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
Enable/disable key buffer in AES-128 mode.
1
AES256
0
RW
AES-256 Mode
Select AES-128 or AES-256 mode.
Value
0
1
Description
AES-128 mode
AES-256 mode
0
DECRYPT
0
Select encryption or decryption.
RW
Decryption/Encryption Mode
Value
0
1
Description
AES Encryption
AES Decryption
31.5.2 AES_CMD - Command Register
Offset
0x004
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
STOP
0
W1
Encryption/Decryption Stop
Set to stop encryption/decryption.
0
START
0
W1
Encryption/Decryption Start
Set to start encryption/decryption.
31.5.3 AES_STATUS - Status Register
Offset
0x008
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
RUNNING
0
R
AES Running
This bit indicates that the AES module is running an encryption/decryption.
2013-05-08 - Wonder Gecko Family - d0233_Rev0.50
741
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