NAND control register 3
| NDOPT1 | NAND option bit 1 |
| NDOPT2 | NAND option bit 2 |
| NDOPT3 | NAND option bit 3 |
| CLE | NAND CLE Option |
| RDS | Read Data Setup cycle time. |
| RDH | Read Data Hold cycle time. |
| WDS | Write Data Setup cycle time. |
| WDH | Write Data Hold cycle time. |