57.6.1 TRNG Control Register
This register can only be written if the WPCREN bit is cleared in the TRNG Write Protection Mode Register.
| Name: | TRNG_CR |
| Offset: | 0x00 |
| Reset: | – |
| Property: | Write-only |
| Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| WAKEY[23:16] | |||||||||
| Access | W | W | W | W | W | W | W | W | |
| Reset | – | – | – | – | – | – | – | – | |
| Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| WAKEY[15:8] | |||||||||
| Access | W | W | W | W | W | W | W | W | |
| Reset | – | – | – | – | – | – | – | – | |
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| WAKEY[7:0] | |||||||||
| Access | W | W | W | W | W | W | W | W | |
| Reset | – | – | – | – | – | – | – | – | |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| ENABLE | |||||||||
| Access | W | ||||||||
| Reset | – |
Bits 31:8 – WAKEY[23:0] Register Write Access Key
| Value | Name | Description |
|---|---|---|
| 0x524E47 | PASSWD | Writing any other value in this field aborts the write operation. |
Bit 0 – ENABLE Enable TRNG to Provide Random Values
| Value | Description |
|---|---|
| 0 | Disables the TRNG if 0x524E47 (“RNG” in ASCII) is written in WAKEY field at the same time. |
| 1 | Enables the TRNG if 0x524E47 (“RNG” in ASCII) is written in WAKEY field at the same time. |