3.3.3 QSPI Flash Memory
The SAM9X75-Curiosity board has native support for QSPI Flash memory through its Quad Serial Peripheral Interface. The board implements one SST26VF064BEUIT 64 Mbit Serial Quad I/O (SQI) Flash Memory with EUI-48™ and EUI-64™ identifiers. For more information about the SST26VF064BEUI, refer to the product web page.
The following figure shows the QSPI Flash Memory.
The following table shows the QSPI Flash Memory PIO signal description.
| PIO | Signal Name | Signal Description |
|---|---|---|
| PB21 | QSPI_IO0_ PB21 | Data 0 |
| PB22 | QSPI_IO1_ PB22 | Data 1 |
| PB23 | QSPI_IO2_ PB23 | Data 2 |
| PB24 | QSPI_IO3_ PB24 | Data 3 |
| PB19 | QSPI_SCK_ PB19 | Clock |
| PB20 | QSPI_CS_ PB20 | Chip Select |