Analog Devices SHARC ADSP-21368 - Page 154

SDRAM Controller
3-46 ADSP-21368 SHARC Processor Hardware Reference
Figure 3-6. Uniprocessor System With Multiple SDRAM Devices
SDRAM #4
4M X 4 X 4
DATA [3:0]
DQM
DATA[31-0]
ADSP-21367
MS3
RAS
CAS
SDWE
SDCKE
C
O
N
T
R
O
L
RAS
CAS
DQM
WE
CLK
CKE
SDRAM #1
4M X 4 X 4
DATA [3:0]
A[14:0]
CS
SDRAM #2
4M X 4 X 4
SDRAM #3
4M X 4 X 4
DATA [3:0]
DATA [3:0]
DATA [7:4]
DATA [11:8]
DATA [3:0]
BA1
BA0
A
D
D
R
E
S
S
SDCLK
A[15:11]
A[9:1]
SDA10
A17
A18
DQM
DQM
DATA [15:12]