SA1110 Datasheet, PDF (119/406 Pages) Intel Corporation – Intel StrongARM SA-1110 Microprocessor

Memory and PCMCIA Control Module
Figure 10-3 shows a system using 1Mword x 16-bit x 4-bank SDRAM devices for a total of 48
Mbytes. See Section 10.2.1 and Table 10-7 for descriptions of SDRAM address pin connections.
Figure 10-3. SDRAM System Example
A23/DRA13-A10/DRA0
nSDRAS,nSDCAS,SDCLK2-1,SDCKE1,nWE
nRAS/nSDCS2-0
2
D31-0
nCAS/DQM3-0
3
2
D31-16
3-2
4Mx16
SDRAM
CS#
RAS#
CAS#
CLK
CKE
WE#
A13-0
DQMH
3
DQML
2
DQ15-0
1
4Mx16
SDRAM
CS#
RAS#
CAS#
CLK
CKE
WE#
A13-0
DQMH
3
DQML
2
DQ15-0
0
4Mx16
SDRAM
CS#
RAS#
CAS#
CLK
CKE
WE#
A13-0
DQMH
DQML
DQ15-0
1
0
D15-0
0-1
4Mx16
SDRAM
CS#
RAS#
CAS#
CLK
CKE
WE#
A13-0
DQMH
1
DQML
0
DQ15-0
4Mx16
SDRAM
CS#
RAS#
CAS#
CLK
CKE
WE#
A13-0
DQMH
1
DQML
0
DQ15-0
4Mx16
SDRAM
CS#
RAS#
CAS#
CLK
CKE
WE#
A13-0
DQMH
DQML
DQ15-0
A6631-01
SA-1110 Developer’s Manual
10-5