KEY_SIZE=AES128
AES Control Register
| EN | AES Enable |
| DMA_RX_EN | DMA Request To Read Data Output FIFO |
| DMA_TX_EN | DMA Request To Write Data Input FIFO |
| START | Start AES Calculation |
| INPUT_FLUSH | Flush the data input FIFO |
| OUTPUT_FLUSH | Flush the data output FIFO |
| KEY_SIZE | Encryption Key Size 0 (AES128): 128 Bits. 1 (AES192): 192 Bits. 2 (AES256): 256 Bits. |
| TYPE | Encryption Type Selection |