DMAINEN=B_0x0, DATATYPE=B_0x0, EN=B_0x0, GCMPH=B_0x0, NPBLB=B_0x0, CHMOD=B_0x0, KEYSIZE=B_0x0, MODE=B_0x0, DMAOUTEN=B_0x0, KMOD=B_0x0
AES control register
| EN | Enable 0 (B_0x0): Disable 1 (B_0x1): Enable |
| DATATYPE | Data type 0 (B_0x0): No swapping (32-bit data). 1 (B_0x1): Half-word swapping (16-bit data) 2 (B_0x2): Byte swapping (8-bit data) 3 (B_0x3): Bit-level swapping |
| MODE | Operating mode 0 (B_0x0): Encryption 1 (B_0x1): Key derivation (or key preparation), for ECB/CBC decryption only 2 (B_0x2): Decryption |
| CHMOD | CHMOD[1:0]: Chaining mode 0 (B_0x0): Electronic codebook (ECB) 1 (B_0x1): Cipher-block chaining (CBC) 2 (B_0x2): Counter mode (CTR) 3 (B_0x3): Galois counter mode (GCM) and Galois message authentication code (GMAC) |
| DMAINEN | DMA input enable 0 (B_0x0): Disable 1 (B_0x1): Enable |
| DMAOUTEN | DMA output enable 0 (B_0x0): Disable 1 (B_0x1): Enable |
| GCMPH | GCM or CCM phase selection 0 (B_0x0): Initialization phase 1 (B_0x1): Header phase 2 (B_0x2): Payload phase 3 (B_0x3): Final phase |
| CHMOD_1 | CHMOD[2] |
| KEYSIZE | Key size selection 0 (B_0x0): 128-bit 1 (B_0x1): 256-bit |
| NPBLB | Number of padding bytes in last block 0 (B_0x0): All bytes are valid (no padding) 1 (B_0x1): Padding for the last LSB byte 15 (B_0xF): Padding for the 15 LSB bytes of last block. |
| KMOD | Key mode selection 0 (B_0x0): Normal key mode. 2 (B_0x2): Shared key mode. |
| IPRST | AES peripheral software reset |