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.

Figure 3-21. SST26VF064BEUI QSPI Flash Memory

The following table shows the QSPI Flash Memory PIO signal description.

Table 3-5. QSPI Flash Memory PIO Signal Description
PIOSignal NameSignal Description
PB21QSPI_IO0_ PB21Data 0
PB22QSPI_IO1_ PB22Data 1
PB23QSPI_IO2_ PB23Data 2
PB24QSPI_IO3_ PB24Data 3
PB19QSPI_SCK_ PB19Clock
PB20QSPI_CS_ PB20Chip Select