33.5.2 Control Operation 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: | CTRLOP |
| Offset: | 0x4 |
| Reset: | 0x00000000 |
| Property: | R/W |
| 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 | |
| PREPG | NVMOP[3:0] | ||||||||
| Access | R/W | R/W | R/W | R/W | R/W | ||||
| Reset | 0 | 0 | 0 | 0 | 0 | ||||
Bit 7 – PREPG Note: This field can only be modified when BUSY=0 and KEY=<WRKEY Value> - same as NVMOP
Note:
- This field can only be modified when PAC Write protection is disabled, STATUS.BUSY=0, and KEY=<WRKEY Value> - same as NVMOP below.
- It is recommended to either always use or never use PREPG.
| Value | Name | Description |
|---|---|---|
| 1 | ENABLE | Program Operations include Pre-Program step |
| 0 | DISABLE | Program Operations exclude Pre-Program step |
Bits 3:0 – NVMOP[3:0] NVM Operations
| Value | Name | Description |
| 0x0 | NOP | No Operation |
| 0x1 | SINGLEWRITE | Single (Word) Program Operation: Programs word selected by ADDR |
| 0x2 | QUADWRITE | Quad (Word) Program Operation: Programs flash word selected by ADDR |
| 0x3 | ROWWRITE | Row Write Operation: Programs row selected by ADDR |
| 0x4 | PAGEERASE | Page Erase Operation: Erases page selected by ADDR |
| 0x7 | PFMERASE | PFM Erase Operation: Erases entire PFM panel |