64.6.1 SECUMOD Control Register
Name: | SECUMOD_CR |
Offset: | 0x0000 |
Reset: | – |
Property: | Write-only |
Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
KEY[15:8] | |||||||||
Access | W | W | W | W | W | W | W | W | |
Reset | – | – | – | – | – | – | – | – |
Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
KEY[7:0] | |||||||||
Access | W | W | W | W | W | W | W | W | |
Reset | – | – | – | – | – | – | – | – |
Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
SCRAMB[1:0] | |||||||||
Access | W | W | |||||||
Reset | – | – |
Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
SWPROT | NORMAL | BACKUP | |||||||
Access | W | W | W | ||||||
Reset | – | – | – |
Bits 31:16 – KEY[15:0] Password
This command field acts on a toggle basis: writing the value 0x89CA alternatively makes the Normal or Backup Protection Registers appear and disappear.
Writing any other value in this field has no effect.
Bits 10:9 – SCRAMB[1:0] Memory Scrambling Enable
Value | Description |
---|---|
0 |
No effect. |
1 |
Memories are scrambled (default). |
2 | Memories are not scrambled. |
3 | No effect. |
Bit 2 – SWPROT Software Protection
Value | Description |
---|---|
0 | No effect. |
1 | Starts the BUSRAM4KB and BUREG256b Clear content. |
Bit 1 – NORMAL Normal Mode
Value | Description |
---|---|
0 | No effect. |
1 | Switches to Normal mode. |
Bit 0 – BACKUP Backup Mode
Value | Description |
---|---|
0 | No effect. |
1 | Switches to Backup mode. |