4.2.1 NAND Flash
The SAM4S Xplained Pro kit has one 2Gb NAND Flash connected to the external bus interface of the SAM4S.
| SAM4S pin | Function | NAND flash function | Shared functionality |
|---|---|---|---|
| PC0 | D0 | IO0 | LCD connector |
| PC1 | D1 | IO1 | LCD connector |
| PC2 | D2 | IO2 | LCD connector |
| PC3 | D3 | IO3 | LCD connector |
| PC4 | D4 | IO4 | LCD connector |
| PC5 | D5 | IO5 | LCD connector |
| PC6 | D6 | IO6 | LCD connector |
| PC7 | D7 | IO7 | LCD connector |
| PC9 | NANDOE | RE (active low) | |
| PC10 | NANDWE | WE (active low) | |
| PC13 | GPIO | R (active high)/ B (active low) | |
| PC14 | NCS[0] | CE (active low) | |
| PC16 | NANDALE | ALE (active low) | |
| PC17 | NANDCLE | CLE |