4.2.5 Serial Flash
The SAM D21 Xplained Pro has an onboard 8Mbit serial flash for non-voltatile storage of data.
Pin on SAM D21 | Function | Serial Flash | Shared functionality |
---|---|---|---|
PA13 | GPIO | #CS | EXT3 PIN8 (default disconnected) |
PB22 | SERCOM5 PAD[2] SPI MOSI | SI | EXT3 and EDBG |
PB16 | SERCOM5 PAD[0] SPI MISO | SO | EXT3 and EDBG |
PB23 | SERCOM5 PAD[3] SPI SCK | SCK | EXT3 and EDBG |