33.5.1 Hardware Interface
The following table details the connections to be applied between the EBI pins and the external devices for each Memory Controller.
Signals: |
Pins of the Interfaced Device | ||
---|---|---|---|
8-bit Static Device | 2 x 8-bit Static Devices | 16-bit Static Device | |
Controller | SMC | ||
D0–D7 | D0–D7 | D0–D7 | D0–D7 |
D8–D15 | – | D8–D15 | D8–D15 |
A0/NBS0 | A0 | – | NLB |
A1 | A1 | A0 | A0 |
A2–A23 | A[2:23] | A[1:22] | A[1:22] |
NCS0 | CS | CS | CS |
NCS1 | CS | CS | CS |
NCS2 | CS | CS | CS |
NCS3/NANDCS | CS | CS | CS |
NRD | OE | OE | OE |
NWR0/NWE | WE | WE (see Note) | WE |
NWR1/NBS1 | – | WE (see Note) | NUB |
Note: NWR1 enables upper byte writes. NWR0 enables lower byte
writes.
Signals: |
Power supply | Pins of the Interfaced Device |
---|---|---|
NAND Flash | ||
Controller | NFC | |
D0–D15 | VDDIO | D0–D15 |
A0/NBS0 | VDDIO | – |
A1 | VDDIO | – |
A2–A10 | VDDIO | – |
A11 | VDDIO | – |
A12 | VDDIO | – |
A13–A14 | VDDIO | – |
A15 | VDDIO | – |
A16 | VDDIO | – |
A17 | VDDIO | – |
A18 | VDDIO | – |
A19 | VDDIO | – |
A20 | VDDIO | – |
A21/NANDALE | VDDIO | ALE |
A22/NANDCLE | VDDIO | CLE |
A23 | VDDIO | – |
NCS0 | VDDIO | – |
NCS1 | VDDIO | – |
NCS2 | VDDIO | – |
NCS3/NANDCS | VDDIO | CE |
NANDOE | VDDIO | OE |
NANDWE | VDDIO | WE |
NRD | VDDIO | – |
NWR0/NWE | VDDIO | – |
NWR1/NBS1 | VDDIO | – |
Pxx | VDDIO | CE |
Pxx | VDDIO | RDY |