Atmel Xplained Evaluation Board AT32UC3A3-XPLD AT32UC3A3-XPLD Data Sheet
Product codes
AT32UC3A3-XPLD
165
32072H–AVR32–10/2012
AT32UC3A3
14.4
I/O Lines Description
Table 14-1.
EBI I/O Lines Description
Pin Name
Alternate
Name
Pin Description
Type
Active
Level
EBI common lines
DATA[15:0]
Data Bus
I/O
SMC dedicated lines
ADDR[1]
SMC Address Bus Line 1
Output
ADDR[12]
SMC Address Bus Line 12
Output
ADDR[15]
SMC Address Bus Line 15
Output
ADDR[23:18]
SMC Address Bus Line [23:18]
Output
NCS[0]
SMC Chip Select Line 0
Output
Low
NWAIT
SMC External Wait Signal
Input
Low
SDRAMC dedicated lines
SDCK
SDRAM Clock
Output
SDCKE
SDRAM Clock Enable
Output
High
SDWE
SDRAM Write Enable
Output
Low
SDA10
SDRAM Address Bus Line 10
Output
Low
RAS - CAS
Row and Column Signal
Output
Low
CompactFlash dedicated lines
CFCE1 -
CFCE2
CompactFlash Chip Enable
Output
Low
CFRNW
CompactFlash Read Not Write Signal
Output
NAND Flash/SmartMedia dedicated lines
NANDOE
NAND Flash Output Enable
Output
Low
NANDWE
NAND Flash Write Enable
Output
Low
SMC/SDRAMC shared lines
NCS[1]
NCS[1]
SDCS0
SMC Chip Select Line 1
SDRAMC Chip Select Line 0
Output
Low
ADDR[0]
DQM0
ADDR[0]-NBS0
SDRAMC DQM1
SMC Address Bus Line 0 or Byte Select 1
Output
ADDR[11:2]
ADDR[9:0]
ADDR[11:2]
SDRAMC Address Bus Lines [9:0]
SMC Address Bus Lines [11:2]
Output
ADDR[14:13]
ADDR[9:0]
ADDR[14:13]
SDRAMC Address Bus Lines [12:11]
SMC Address Bus Lines [14:13]
Output
ADDR[16]
BA0
ADDR[16]
SDRAMC Bank 0
SMC Address Bus Line 16
Output