3.2.1 Serial Flash Interconnection
| DataFlash Signal | MCU Function | MCU Pin | Port and SERCOM Configuration |
|---|---|---|---|
| SO | MISO | 37 | PB22 SERCOM5 PAD[2] DIPO=0x2 |
| SI | MOSI | 38 | PB23 SERCOM5 PAD[3] DOPO=0x2 |
| SCK | SCK | 48 | PB03 SERCOM5 PAD[1] DOPO=0x2 |
| #CS | GPIO | 47 | PB02 to be set low in software before SPI access |
The signals in Table 3-1 are not available as module I/O. For more information about the FLASH IC, see its related datasheet [ADESTO].