The following table shows the QSPI commands sent by the BootROM firmware.
| Boot Mode | Data Width | Read Mode | Command Code | Dummy Cycles |
|---|---|---|---|---|
| QSPI24 | 1 | Normal read (3-Byte) |
03h
|
- |
| QSPI24 | 2 | Dual Output fast read (3-Byte) |
3Bh
|
8 |
| QSPI24 | 4 | Quad Output fast read (3-Byte) |
6Bh
|
8 |
| QSPI32 | 1 | Normal read (4-Byte) |
13h
|
- |
| QSPI32 | 2 | Dual Output fast read (4-Byte) |
3Ch
|
8 |
| QSPI32 | 4 | Quad Output fast read (4-Byte) |
6Ch
|
8 |
| QSPI32 | 8 | Quad Output fast read (4-Byte) |
6Ch
|
8 |