59.5.17 AES Extended Mode Register
| Name: | AES_EMR |
| Offset: | 0xB0 |
| Reset: | 0x00000000 |
| Property: | Read/Write |
| Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| Access | |||||||||
| Reset |
| Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| NHEAD[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 | |
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| PADLEN[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 | |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| PLIPD | PLIPEN | APM | APEN | ||||||
| Access | R/W | R/W | R/W | R/W | |||||
| Reset | 0 | 0 | 0 | 0 |
Bits 23:16 – NHEAD[7:0] IPSec Next Header
| Value | Description |
|---|---|
| 0–255 | IPSec Next Header field |
Bits 15:8 – PADLEN[7:0] Auto Padding Length
| Value | Description |
|---|---|
| 0–255 | Padding length in bytes |
Bit 5 – PLIPD Protocol Layer Improved Performance Decipher
| Value | Description |
|---|---|
| 0 | Protocol layer improved performance is in Ciphering mode. |
| 1 | Protocol layer improved performance is in Deciphering mode. |
Bit 4 – PLIPEN Protocol Layer Improved Performance Enable
| Value | Description |
|---|---|
| 0 | Protocol layer improved performance is disabled. |
| 1 | Protocol layer improved performance is enabled. |
Bit 1 – APM Auto-Padding Mode
| Value | Description |
|---|---|
| 0 | Auto-padding is performed according to the IPSec standard. |
| 1 | Auto-padding is performed according to the SSL standard. |
Bit 0 – APEN Auto-Padding Enable
| Value | Description |
|---|---|
| 0 | The Auto-padding feature is disabled. |
| 1 | The Auto-padding feature is enabled. |