Atmel AT32UC3A3128, Руководство пользователя

Страница: 165 / 1021

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