31.5.17 User OTP Write protection REGISTER
| Symbol | Description | Symbol | Description | Symbol | Description |
|---|---|---|---|---|---|
| R | Readable bit | HC | Cleared by Hardware | (Grey cell) | Unimplemented |
| W | Writable bit | HS | Set by Hardware | X | Bit is unknown at Reset |
| K | Write to clear | S | Software settable bit | — | — |
| Name: | UOWP |
| Offset: | 0x78 |
| Reset: | 0x00000F0F |
| Property: | R/W |
| Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| UO2WPRLOCK[3:0] | |||||||||
| Access | R/S | R/S | R/S | R/S | |||||
| Reset | 0 | 0 | 0 | 0 | |||||
| Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| UO1WPRLOCK[3:0] | |||||||||
| Access | R/S | R/S | R/S | R/S | |||||
| Reset | 0 | 0 | 0 | 0 | |||||
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| UO2WPR[3:0] | |||||||||
| Access | R/W | R/W | R/W | R/W | |||||
| Reset | 1 | 1 | 1 | 1 | |||||
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| UO1WPR[3:0] | |||||||||
| Access | R/W | R/W | R/W | R/W | |||||
| Reset | 1 | 1 | 1 | 1 | |||||
Bits 27:24 – UO2WPRLOCK[3:0] Note: This field can only be modified when UO2WPRLOCK[n]=0, BUSY=0 and KEY=<CFGKEY Value>.
| Value | Name | Description |
|---|---|---|
| 1 | LOCKED | UO2WPR[n] & UO2WPRLOCK[n] bits are Locked and cannot be modified |
| 0 | UNLOCKED | UO2WPR[n] & UO2WPRLOCK[n] bits are NOT Locked and can be modified |
Bits 19:16 – UO1WPRLOCK[3:0] Note: This field can only be modified when UO1WPRLOCK[n]=0, BUSY=0 and KEY=<CFGKEY Value>.
Writing a 0 to a bit has no effect.
Writing a 1 to a bit will enable the corresponding lock.
Note:
- This field can be set at the same time as writing to UO1WPR[n]. Once set, UO1WPRLOCK can only be cleared by a reset.
- This field can only be modified when UO1WPRLOCK[n] = 0, STATUS.BUSY = 0,and KEY.KEY = <CFGKEY Value>.
| Value | Name | Description |
|---|---|---|
| 1 | LOCKED | UO1WPR[n] & UO1WPRLOCK[n] bits are Locked and cannot be modified |
| 0 | UNLOCKED | UO1WPR[n] & UO1WPRLOCK[n] bits are NOT Locked and can be modified |
Bits 11:8 – UO2WPR[3:0] Note: This field can only be modified when UO2WPRLOCK[n]=0, BUSY=0 and KEY=<CFGKEY Value>.
| Value | Name | Description |
|---|---|---|
| 1 | ENABLE | Write Protection for User OTP Page 2 Row "n" is Enabled |
| 0 | DISABLE | Write Protection for User OTP Page 2 Row "n" is Disabled |
Bits 3:0 – UO1WPR[3:0] Note: This field can only be modified when UO1WPRLOCK[n]=0, BUSY=0 and KEY=<CFGKEY Value>.
| Value | Name | Description |
|---|---|---|
| 1 | ENABLE | Write Protection for User OTP Page 1 Row "n" is Enabled |
| 0 | DISABLE | Write Protection for User OTP Page 1 Row "n" is Disabled |