Table 3-1. Signal Description List (Continued)
Signal Name
NANDCS
NANDOE
NANDWE
NANDCLE
NANDALE
SDCK
SDCKE
SDCS
BA[1:0]
SDWE
RAS - CAS
NBS[3:0]
SDA10
Function
Type
EBI for NAND Flash Support
NAND Flash Chip Select Line
Output
NAND Flash Output Enable
Output
NAND Flash Write Enable
Output
NAND Flash Command Line Enable
Output
NAND Flash Address Line Enable
Output
SDRAM Controller
SDRAM Clock
Output
SDRAM Clock Enable
Output
SDRAM Controller Chip Select Line
Output
Bank Select
Output
SDRAM Write Enable
Output
Row and Column Signal
Output
Byte Mask Signals
Output
SDRAM Address 10 Line
Output
Active
Level
Low
Low
Low
Low
Low
High
Low
Low
Low
Low
Comments
Tied low after reset
8 AT91SAM7SE512/256/32 [Advance Information Summary]
6222AS–ATARM–21-Aug-06