Atmel Xplained Evaluation Board AT32UC3A3-XPLD AT32UC3A3-XPLD Data Sheet
Product codes
AT32UC3A3-XPLD
175
32072H–AVR32–10/2012
AT32UC3A3
14.7
Application Example
14.7.1
Hardware Interface
Note:
1. NWE1 enables upper byte writes. NWE0 enables lower byte writes.
2. NBS1 enables upper byte writes. NBS0 enables lower byte writes.
Table 14-9.
EBI Pins and External Static Devices Connections
Pins name
Pins of the Interfaced Device
8-bit Static
Device
2 x 8-bit
Static
Devices
16-bit Static
Device
Controller
SMC
DATA[7:0]
D[7:0]
D[7:0]
D[7:0]
DATA[15:0
–
D[15:8]
D[15:8]
ADDR[0]
A[0]
–
NBS0
(2)
ADDR[1]
A[1]
A[0]
A[0]
ADDR[23:2] A[23:2]
A[22:1]
A[22:1]
NCS[0] - NCS[5]
CS
CS
CS
NRD
OE
OE
OE
NWE0
WE
WE
NWE1
–
WE
NBS1
Table 14-10. EBI Pins and External Devices Connections
Pins name
Pins of the Interfaced Device
SDRAM
Compact
Flash
Smart Media
or
NAND Flash
Controller
SDRAMC
SMC
DATA[7:0] D[7:0]
D[7:0]
AD[7:0]
DATA[15:8] D[15:8]
D[15:8]
AD[15:8]
ADDR[0]
DQM0
A[0]
–
ADDR[1]
–
A[1]
–
ADDR[10:2] A[8:0]
A[10:2]
–
ADDR[11]
A[9]
–
–
SDA10
A[10]
–
–
ADDR[12]
–
–
–
ADDR[14:13] A[12:11]
–
–
ADDR[15]
–
–
–
ADDR[16]
BA0
–
–
ADDR[17]
BA1
–
–
ADDR[20:18] –
–
–