9.4.1.2.3 Subsequence: Initialize CBC-MAC AES Core Mode
To initialize CBC-MAC Mode:
- Enable CBC-MAC Mode by setting the CBCMAC bit in the AES_CTRL register.
- Select encryption mode by setting the DIRECTION bit in the AES_CTRL register at offset 0x050
- Load the AES Initialization Vector Input n (AES_IV_IN_n) registers at offset 0x040 to 0x04C.