29.5.6 SEFC Key Bus Lock Register
This register can only be written if the USRWP bit is cleared in EEFC_WPMR.
This register can only be accessed in Privileged mode.
| Name: | EEFC_KBLR |
| Offset: | 0x14 |
| 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 | |
| Access | |||||||||
| Reset |
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| Access | |||||||||
| Reset |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| KBTLUSB7 | KBTLUSB6 | KBTLUSB5 | KBTLUSB4 | KBTLUSB3 | KBTLUSB2 | KBTLUSB1 | KBTLUSB0 | ||
| 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 |
Bits 0, 1, 2, 3, 4, 5, 6, 7 – KBTLUSBx Key Bus Transfer Lock from User Signature Block x
| Value | Description |
|---|---|
| 0 | Key bus transfer from the first page of User Signature Block x is enabled. |
| 1 | Key bus transfer from the first page of User Signature Block x is locked until hardware reset. When set to 1, this bit can no longer be modified until hardware reset. |