Supported Flash Operation Codes
Note: Refer to your flash device data sheet for more information.
| Operation | Operation Code |
|---|---|
| Reset enable | 8'h66 |
| Reset device | 8'h99 |
| Read device unique ID | 8'h4B |
| Release from power-down or read Device ID | 8'hAB |
| Write | 8'h02 |
| Write status register 1 | 8'h01 |
| Write status register 2 | 8'h31 |
| Write status register 3 | 8'h11 |
| Read status register 1 | 8'h05 |
| Read status register 2 | 8'h35 |
| Read status register 3 | 8'h15 |
| Read device identification | 8'h9F |
| Read manufacturing identification | 8'h90 |
| Write enable | 8'h06 |
| Write enable for volatile status register | 8'h50 |
| Write disable | 8'h04 |
| Read | 8'h03 |
| Fast read | 8'h0B |
| Fast read dual | 8'h3B |
| Fast read quad | 8’h6B |
| Chip erase type 0 | 8'hC7 |
| Die erase type 1 | 8'h60 |
| 4 KB subsector erase | 8'h20 |
| 32 KB subsector erase | 8'h52 |
| 64 KB subsector sector erase | 8'hD8 |
| Quad write | 8'h32 |
| Write with 4-byte address | 8’h12 |
| Read with 4-byte address | 8’h13 |
| Fast read with 4-byte address | 8’h0C |
| Fast read dual with 4-byte address | 8’h3C |
| 4 KB subsector erase with 4-byte address | 8’h21 |
| 64 KB subsector sector erase with 4-byte address | 8’hDC |