Datasheet

383
SAM3X / SAM3A [DATASHEET]
Atmel-11057C-ATARM-SAM3X-SAM3A-Datasheet_23-Mar-15
23.3 Block Diagram
Figure 23-1. Organization of the External Bus Interface
External Memory Bus
D[15:0]
A[23:1]
MUX
Logic
NAND Flash
Controller
Chip Select
Assignor
Static
Memory
Controller
SDRAM
Controller
Bus
Matrix
AHB
Address Decoder
A16/BA0
A0/NBS0
A17/BA1
NCS0
NCS3
NRD
NCS1
NCS2
NWR0/NWE
NWR1/NBS1
SDCKE
RAS
CAS
SDWE
NCS4
NCS5
NCS6
NCS7
NANDOE
NANDRDY
NANDWE
NWAIT
SDA10
PIO
SDCS
ECC
Controller
4K NFC
SRAM
A22/NANDCLE
A21/NANDALE
SDCK