5.6 QSPI Memory
The SAMA5D27 SOM1 embeds the SST26VF064BT-104I/MF, a 64Mb Serial Quad I/O Flash memory.
The SST26VF064BT-104I/MF SQI features a six-wire, 4-bit I/O interface that allows for low-power, high-performance operation in a low pin-count package.
The SST26VF064BT-104I/MF is available in 8-lead WDFN package with 6mm × 5mm dimensions.
For more information, refer to the product web page.
| Power Rail | Primary | Alternate | PIO Peripheral | Reset State | Note | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal | Type | Signal | Dir | Func | Signal | Dir | IO Set | Signal, Dir, PU, PD, HiZ, ST, SEC, FILTER | ||
| VDDIN_3V3 | PB5 | I/O | – | – | D | QSPI1_SCK | O | 2 | PIO, I, PU, ST | Used for QSPI Interface |
| VDDIN_3V3 | PB6 | I/O | – | – | D | QSPI1_CS | O | 2 | PIO, I, PU, ST | |
| VDDIN_3V3 | PB7 | I/O | – | – | D | QSPI1_IO0 | I/O | 2 | PIO, I, PU, ST | |
| VDDIN_3V3 | PB8 | I/O | – | – | D | QSPI1_IO1 | I/O | 2 | PIO, I, PU, ST | |
| VDDIN_3V3 | PB9 | I/O | – | – | D | QSPI1_IO2 | I/O | 2 | PIO, I, PU, ST | |
| VDDIN_3V3 | PB10 | I/O | – | – | D | QSPI1_IO3 | I/O | 2 | PIO, I, PU, ST | |
Tip: In case of non-use at
application level of the QSPI embedded in SAMA5D27 SOM1, it is possible
to reassign the signals dedicated to QSPI memory to another PIO function as defined
in the table below. To do so, the DIS_BOOT pin (SAMA5D27 SOM1 pad 126)
must be forced to ground.