AT91SAM9G35-CU Datasheet, PDF (413/1224 Pages) ATMEL Corporation – AT91SAM ARM-based Embbedded MPU

Figure 30-4. Single Write Access, Row Closed, SDR-SDRAM Device
SDCLK
A[12:0]
Row a
Col a
COMMAND
NOP
PRCHG
NOP
ACT
NOP
BA[1:0]
DM[1:0]
00
3
WRITE
0
D[31:0]
Trp = 2
DaDb
Trcd = 2
Figure 30-5. Burst Write Access, Row Closed, Low-power DDR1-SDRAM Device
SDCLK
BST
NOP
3
A[12:0]
COMMAND
NOP
BA[1:0] 0
DQS[1:0]
DM[1:0] 3
D [15:0]
Row a
col a
PRCHG NOP ACT
NOP WRITE NOP
Trp = 2
Da
Trcd = 2
0
3
Db Dc Dd De Df Dg Dh
SAM9G35 [DATASHEET]
11053D–ATARM–11-Feb-13
413