40.4.3.2.1 If AES_MR.LOD = 0

This mode may be used for all AES operating modes except CBC-MAC where AES_MR.LOD = 1 mode is recommended.

The end of the encryption/decryption is indicated when AES_ISR.ENDRX (or AES_ISR.RXBUFF) flag is raised (see the following figure).

Figure 40-3. PDC Transfer with AES_MR.LOD = 0