3.17.3 QSPI Flash Memory

The SAM9X75 cHybrid natively supports QSPI Flash memory through its Quad Serial Peripheral Interface. The board implements one SST26VF064BA 64-Mbit Serial Quad I/O (SQI) Flash memory with EUI-48TM and EUI-64TM identifiers. For more information about SST26VF064BA, refer to the product web page.

The following figure shows the QSPI Flash memory.
Figure 3-16. QSPI Flash Memory

The following table shows the QSPI Flash memory PIO signal descriptions.

Table 3-3. 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