54.5.11 AES Additional Authenticated Data Length Register

This register can only be written if the WPEN bit is cleared in the AES Write Protection Mode Register.

Name:	AES_AADLENR
Offset:	0x70
Reset:	0x00000000
Property:	Read/Write


Bit	31	30	29	28	27	26	25	24
	AADLEN[31:24]
Access	R/W	R/W	R/W	R/W	R/W	R/W	R/W	R/W
Reset	0	0	0	0	0	0	0	0


Bit	23	22	21	20	19	18	17	16
	AADLEN[23:16]
Access	R/W	R/W	R/W	R/W	R/W	R/W	R/W	R/W
Reset	0	0	0	0	0	0	0	0


Bit	15	14	13	12	11	10	9	8
	AADLEN[15:8]
Access	R/W	R/W	R/W	R/W	R/W	R/W	R/W	R/W
Reset	0	0	0	0	0	0	0	0


Bit	7	6	5	4	3	2	1	0
	AADLEN[7:0]
Access	R/W	R/W	R/W	R/W	R/W	R/W	R/W	R/W
Reset	0	0	0	0	0	0	0	0

Bits 31:0 – AADLEN[31:0] Additional Authenticated Data Length

Length in bytes of the Additional Authenticated Data (AAD) that is to be processed.

Note: The maximum byte length of the AAD portion of a message is limited to the 32-bit counter length.

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